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Equation
Definition of Equation

• An Equation is a mathematical sentence that uses the equal sign (=) to show that two expressions are equal.

Examples of Equation

• The following are some examples of equation.
  10 + 2 = 12
  4a - 3b = 1
  e^x + y = - 2
  

Solved Example on Equation

Solve the equation for x:
7x + 8 = 1
Choices:
A. 1
B. 9/7
C. - 1
D. 8/7
Correct Answer: C
Solution:
Step 1: 7x + 8 = 1
Step 2: Subtracting 8 from each side, we get, 7x = - 7.
Step 3: Dividing both sides by - 7, we get, x = - 1.

Related Terms for Equation

• Mathematical Sentence
• Expressions

Additional Links for Equation

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