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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




    1. 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




    1. 2 푥푥− 11. 2 = 2. 8 +. 8 푥푥




Solution:
x= 35

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