-7s-4=-8s

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Solution for -7s-4=-8s equation: 



-7s-4=-8s

We move all terms to the left:

-7s-4-(-8s)=0

We get rid of parentheses

-7s+8s-4=0

We add all the numbers together, and all the variables

s-4=0

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

s=4

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