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Solved Examples
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DD  Solve the equation 9x - 5(x + 4) =20?
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DD  Solve: 4x + 20x + 16 = 88   DD View Solution
DD  Solve: 5t2 - 2t2 = 48   DD View Solution
DD  Solve: 2x + 3(x + 4) = 22  DD View Solution
DD  Solve: 5x + 19 = 4x + 25  DD View Solution
DD  Find the value of y, if x = 4 and y = 5x2 + 3x2 + 25.  DD View Solution
DD  A carpenter made two closets totaling $682. One closet 4 ft long and the other is 7 ft long, both having unit widths. Find the price per foot to make the closet.
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DD  Solve: 3[3( x3) + 3x - 12] = 0  DD View Solution
DD  The number of boys in a class is 4 times the number of girls. Find the number of girls in the class, if the total number of students in the class is 30.  DD View Solution
DD  Solve for y, if 3y = 2y + 6x + 15 at x = 2.  DD View Solution
DD  Mrs.Tommy shelled 90 more apricots than pistachios in one hour. Find the number of pistachios shelled, if the total number of nuts shelled were 290.  DD View Solution
DD  The age of Ethan is x. His father is 3 years more than twice his age. If their combined age is 48, find the age of Ethan.
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DD  Lydia's apartment complex has 145 flats. There are 25 more two-bedroom flats than the number of one-bedroom flats. How many one-bed room flats are there in the apartment?
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DD  Solve the equation - 6(3 + 5x) - 18x = - 306.
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DD  It takes Rachel 50 min to reach her office. She spends 20 min riding her car at an average speed of 0.4 mile per min. The rest of the time is spent walking at 0.04 mile per min. How far is her office?
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DD  Solve: 6(x + 1) + 3 = 3 (x + 6)  DD View Solution
DD  Solve: 2.7x + 0.8x - 35 = 105  DD View Solution
DD  Solve: 42x+62x+12 = 3  DD View Solution
DD  Rachel weighs x pounds. Nancy weighs 6 more than 5 times the weight of Rachel. The difference between their weights is 126 pounds. Find the weight of Rachel.
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DD  Solve: (x+5)(x-4) = 65  DD View Solution
DD  George made a rectangular table having a perimeter of 16 ft. The width of the table is 6 ft less than the length of the table. Find the length and width of the table.  DD View Solution
DD  Solve the equation - 2x + 14(20 + 4x) = 10.  DD View Solution
DD  The total parking charge for 4 vans and 3 cars is $31. The charge for a van is $0.75 more than that for a car. Find the cost of parking a van.
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DD  Mrs.Tanya knits sweaters and shawls. Last month, she knitted 2 shawls more than sweaters. Find the number of sweaters she knitted last month, if the total number of shawls and sweaters she knitted was 6.  DD View Solution
DD  Find the value of x, if the perimeter of a square with side (x + 5) ft is 40 ft.  DD View Solution
DD  Solve: 3x + 12x + 8 = 38   DD View Solution
DD  Solve: 7t2 - 4t2 = 108   DD View Solution
DD  Find the value of y, if x = 2 and y = 3x2 + 1x2 + 6.  DD View Solution
DD  Solve for y, if 4y = 3y + 24x + 44 at x = 2.  DD View Solution
DD  Solve the equation 11x - 5(x + 6) =30?
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DD  Solve: 5x + 5(x + 4) = 60  DD View Solution
DD  Solve: 5x + 13 = 4x + 15  DD View Solution
DD  The age of Jimmy is x. His father is 5 years more than twice his age. If their combined age is 35, find the age of Jimmy.
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DD  Solve the equation - 7(2 + 6x) - 14x = - 406.
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DD  It takes Zelma 30 min to reach her office. She spends 10 min riding her car at an average speed of 0.6 mile per min. The rest of the time is spent walking at 0.07 mile per min. How far is her office?
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DD  Hanna weighs x pounds. Diane weighs 3 more than 3 times the weight of Hanna. The difference between their weights is 19 pounds. Find the weight of Hanna.
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DD  Find the value of x, if the perimeter of a square with side (x + 4) ft is 28 ft.  DD View Solution
DD  A carpenter made two closets totaling $1003. One closet 7 ft long and the other is 10 ft long, both having unit widths. Find the price per foot to make the closet.
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DD  William made a rectangular table having a perimeter of 20 ft. The width of the table is 6 ft less than the length of the table. Find the length and width of the table.  DD View Solution
DD  Solve the equation - 5x + 12(6 + 2x) = 15.  DD View Solution
DD  The total parking charge for 4 vans and 3 cars is $24.40. The charge for a van is $0.85 more than that for a car. Find the cost of parking a van.
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DD  Solve: (x+4)(x-3) = 32  DD View Solution
DD  Solve: 4[2( x4) + 4x - 18] = 0  DD View Solution
DD  Solve: 20(x + 1) + 5 = 5 (x + 20)  DD View Solution
DD  Solve: 2x + 0.2x - 22 = 44  DD View Solution
DD  Solve: 48x+123x+9 = 4  DD View Solution
DD  Mrs.Marissa knits sweaters and shawls. Last month, she knitted 3 shawls more than sweaters. Find the number of sweaters she knitted last month, if the total number of shawls and sweaters she knitted was 7.  DD View Solution
DD  The number of boys in a class is 4 times the number of girls. Find the number of girls in the class, if the total number of students in the class is 45.  DD View Solution
DD  Mrs.Paul shelled 80 more apricots than pistachios in one hour. Find the number of pistachios shelled, if the total number of nuts shelled were 280.  DD View Solution
DD  Nancy's apartment complex has 155 flats. There are 25 more two-bedroom flats than the number of one-bedroom flats. How many one-bed room flats are there in the apartment?
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