57=8-7s

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Solution for 57=8-7s equation:



57=8-7s
We move all terms to the left:
57-(8-7s)=0
We add all the numbers together, and all the variables
-(-7s+8)+57=0
We get rid of parentheses
7s-8+57=0
We add all the numbers together, and all the variables
7s+49=0
We move all terms containing s to the left, all other terms to the right
7s=-49
s=-49/7
s=-7

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