Big Ideas Math Integrated I, 2016
BI
Big Ideas Math Integrated I, 2016 View details
2. Solving Inequalities Using Addition or Subtraction
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Exercise 3 Page 61

Solving an inequality is almost the same exact process as solving an equation.

See solution.

Practice makes perfect
When solving an inequality, we can use addition and subtraction the same ways we use it when solving an equation. The Addition and Subtraction Properties of Equality apply to inequalities as well.

&x>5 ⇒ x+a>5+a &x>5 ⇒ x-a>5-a