Copyright © Copyright © Swun MathSwun Math (^) Grade 8 Unit 4 Lesson 2 P TE
Student Practice
Unit 4 · Lesson 2: One-Step Equations
Directions: Identify an inverse operation to use. Solve and check your solution.
- 푦푦− 5 = 12
Solution: 푦푦−5 = 12 Addition
+5 + 5
푦푦= 17Check: 17 −5 = 1212 = 12 ✓- 6 푥푥=− 24
Solution: 6푥푥 6 =−24 6 Division푥푥=− 4Check: 6 ∙−4 =− 24− 24 =− 24 ✓- 3 푚푚=− 30
Solution: 3푚푚 3 =−30 3 Division푚푚=− 10Check: 3 ∙− 10 =− 30− 30 =− 30 ✓푥푥
3 = 9^Solution: 푥푥 3 = 9 Multiplication3 ∙ 푥푥 3 = 9 ∙ 3푥푥= 27Check:^273 = 99 = 9 ✓- 푑푑+ 4 = 19
Solution: 푑푑+ 4 = 19 Subtraction
− 4 − 4
푑푑= 15Check: 15 + 4 = 1919 = 19 ✓푛푛
10 =−^20Solution: 10 푛푛=− 20 Multiplication10 ∙ 10 푛푛=− 20 ∙ 10푛푛=− 200Check: −200 10 =− 20− 20 =− 20 ✓Name: ___
Date: ___