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B What is the value of the expression (a + b) + 2, if b + a = 2?
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B Choose the equivalent variable expression for the model shown.
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B Find the values of the expressions x + 9 and 9 + x, for x = 3.
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B What is the equivalent variable expression for the model?
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| B 10 is a solution to the equation x + 4 = 7. Is the statement true or false? B |
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B What are the values of the expressions (m x 4) + 9 and 9 + (4 x m), if the value of m is 2?
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B Find the value of x, if the expression a + (b + c) - d = x satisfies the associative property.
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B Which of the following expressions is equivalent to ((-x) + (-y)) + z?
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B Which of the following properties states that "Changing the grouping of the numbers does not change the sum"?
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| DD What is the number that should be added to a number so that the sum is the number itself? DD |
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| DD What is the value of k in the equation k x 2 = 2 ? DD |
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| DD Find the value of the expression a + b x b + a, if a = 5 and b = 5. DD |
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DD What is the value of the expression (a + b) + 4, if b + a = 4?
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| DD What are the values of the expressions (m x 2) - 4 and 4 - (2 x m), if the value of m is 3? DD |
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| DD What is the equivalent model for the expression 2x + 8? DD |
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DD What is the value of the expression (a + b) + 3, if b + a = 4?
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DD Find the values of the expressions x + 8 and 8 + x, for x = 3.
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| DD 10 is a solution to the equation x + 4 = 8. Is the statement true or false? DD |
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| DD Is 11 a solution to the equation x - 5 = 1 + 5? DD |
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DD What are the values of the expressions (m x 4) + 5 and 5 + (4 x m), if the value of m is 5?
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| DD What is the value of k in the equation k x 6 = 6 ? DD |
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| DD Find the value of the expression a + b x b + a, if a = 2 and b = 5. DD |
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DD What is the value of the expression (a + b) + 5, if b + a = 5?
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| DD What are the values of the expressions (m x 5) + 5 and 5 + (5 x m), if the value of m is 2? DD |
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| DD What is the equivalent model for the expression 2x + 4? DD |
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