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Envision Math 2.0: Grade 8, Volume 1 View details

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Exercise 8 Page 83

Use the Subtraction Property of Equality.

x = 9

Practice makes perfect

To simplify the equation, we will isolate x on one side. Using the Subtraction Property of Equality, we will subtract 3 from both sides of the equation.

x + 3 = 12

SubEqn

LHS-3=RHS-3

x + 3 - 3 = 12 - 3

SubTerms

Subtract terms

x = 9

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Review What You Know! p.83

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Exercise 8 Page 83

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