7(s+7)-(s-9)=64

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Solution for 7(s+7)-(s-9)=64 equation: 



7(s+7)-(s-9)=64

We move all terms to the left:

7(s+7)-(s-9)-(64)=0

We multiply parentheses

7s-(s-9)+49-64=0

We get rid of parentheses

7s-s+9+49-64=0

We add all the numbers together, and all the variables

6s-6=0

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

6s=6

s=6/6

s=1

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