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Copyright © Swun MathCopyright © Swun Math Grade 8 Unit 4 Lesson 8 P TE

Student Practice

Unit 4 · Lesson 8: Equations with Rational Numbers

Directions: Solve.

1

2 푝푝^ ─ 3 = 2 ─

3

4 푝푝^

Solution:

p= 4

1

3

( 6 푥푥+ 24 )− 20 =−^1

4

( 12 푥푥− 72 )

Solution:

x=6

2

3 푛푛+

1

2 푛푛= 7^

Solution:

n=6

4. 
   
   
   
   2. 3 푥푥− 7. 4 = 4. 5 + 2. 8 푥푥
   
   
   
   

Solution:

x= ─23.8

1

3 푥푥+

1

5 =

1

5 푥푥−^1

Solution:

x= ─ 9

6. 
   
   
   
   1. 2 푥푥− 11. 2 = 2. 8 +. 8 푥푥
   
   
   
   

Solution:

x= 35

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