8-7s+7=9s-1

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Solution for 8-7s+7=9s-1 equation: 



8-7s+7=9s-1

We move all terms to the left:

8-7s+7-(9s-1)=0

We add all the numbers together, and all the variables

-7s-(9s-1)+15=0

We get rid of parentheses

-7s-9s+1+15=0

We add all the numbers together, and all the variables

-16s+16=0

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

-16s=-16

s=-16/-16

s=1

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