4(s+-7)=-20

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Solution for 4(s+-7)=-20 equation: 



4(s+-7)=-20

We move all terms to the left:

4(s+-7)-(-20)=0

We add all the numbers together, and all the variables

4(s-7)-(-20)=0

We add all the numbers together, and all the variables

4(s-7)+20=0

We multiply parentheses

4s-28+20=0

We add all the numbers together, and all the variables

4s-8=0

We move all terms containing s to the left, all other terms to the right

4s=8

s=8/4

s=2

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