-3=2(s+7)-9

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Solution for -3=2(s+7)-9 equation: 



-3=2(s+7)-9

We move all terms to the left:

-3-(2(s+7)-9)=0



We calculate terms in parentheses: -(2(s+7)-9), so:

2(s+7)-9

We multiply parentheses

2s+14-9

We add all the numbers together, and all the variables

2s+5

Back to the equation:

-(2s+5)



We get rid of parentheses

-2s-5-3=0

We add all the numbers together, and all the variables

-2s-8=0

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

-2s=8

s=8/-2

s=-4

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