2(s+20)-7=-3

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Solution for 2(s+20)-7=-3 equation: 



2(s+20)-7=-3

We move all terms to the left:

2(s+20)-7-(-3)=0

We add all the numbers together, and all the variables

2(s+20)-4=0

We multiply parentheses

2s+40-4=0

We add all the numbers together, and all the variables

2s+36=0

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

2s=-36

s=-36/2

s=-18

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