7s-8=90

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Solution for 7s-8=90 equation: 



7s-8=90

We move all terms to the left:

7s-8-(90)=0

We add all the numbers together, and all the variables

7s-98=0

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

7s=98

s=98/7

s=14

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