7(3s+8)=140

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Solution for 7(3s+8)=140 equation:



7(3s+8)=140
We move all terms to the left:
7(3s+8)-(140)=0
We multiply parentheses
21s+56-140=0
We add all the numbers together, and all the variables
21s-84=0
We move all terms containing s to the left, all other terms to the right
21s=84
s=84/21
s=4

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