7(3s+8)=287

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Solution for 7(3s+8)=287 equation: 



7(3s+8)=287

We move all terms to the left:

7(3s+8)-(287)=0

We multiply parentheses

21s+56-287=0

We add all the numbers together, and all the variables

21s-231=0

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

21s=231

s=231/21

s=11

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