Lesson 7-4 Pages 345-349 Solving Inequalities by Adding or Subtracting PA Lesson Check 7-3.

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Presentation transcript:

Lesson 7-4 Pages Solving Inequalities by Adding or Subtracting PA Lesson Check 7-3

What you will learn! How to solve inequalities by using the Addition and Subtraction Properties of Inequality.

What you really need to know! Use the Addition and Subtraction Properties of Inequalities. When you add or subtract a number from each side of an inequality, the inequality remains true.

Example 1: Solve: y + 5 > 11 y > 6 − 5

Example 2: Solve: -21 ≥ d – ≥ d d ≤ -13

Example 3: Solve and graph

Example 4: Kim has $12 to take to the bowling alley. If the shoe rental costs $3.75, what is the most she can spend on games and snacks? g ≤ 12

Example 4: g ≤ 12 g ≤ 8.25 Kim can spend at most $8.25 on games and snacks.

Page 347 Guided Practice #’s 4-12

Pages with someone at home and study examples! Read:

Homework: Pages #’s even #’s all PA Lesson Check 7-4

Page 740 Lesson 7-4

PA Lesson Check 7-4

Prepare for Mid-Test! Pages #’s Odd Answers in Back of Book!