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McGraw Hill Glencoe Algebra 2, 2012 View details

3. Solving Equations

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Exercise 33 Page 22

We can multiply or divide both sides of the equation with no change in the final solution.

Multiplication Property of Equality.

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To identify the property of equality being demonstrated by the given equation, we should first identify the operation being performed. If - y=13, then -(- y)=-13 In this case, the terms are being multiplied by -1. The equation shows that multiplying both sides of the equation does not change this equation. This is the Multiplication Property of Equality. a = b ⇒ c a = c b