Lesson 3.4- Solving Multi-Step Equations, pg. 142. Objectives : To solve problems by working backward. To solve equations involving more than one operation. Vocabulary. Multi-Step Equations : equations with more than one operation. Consecutive Integers : integers in counting order.
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Lesson 3.4- Solving Multi-Step Equations, pg. 142
To solve problems by working backward.
To solve equations involving more than one operation.
Consecutive integers: 7, 8, 9,…
Consecutive odd integers: 5, 7, 9, 11..
Consecutive even integers: 10, 12, 14, 16…
3. Nine is subtracted from a number, and then the difference is multiplied by 5. The result is 75. What is the number?
1. 5q – 13 = 37
4. 0.2n + 3 = 8.6
5. 3.1y – 1.5 = 5.32
6. 18 = 5p + 3
2. Find three consecutive integers whose sum is 42.
3. Find three consecutive even integers whose sum is -30.
Steps for Solving Multi-Step Equations