8s-7=81

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Solution for 8s-7=81 equation: 



8s-7=81

We move all terms to the left:

8s-7-(81)=0

We add all the numbers together, and all the variables

8s-88=0

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

8s=88

s=88/8

s=11

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