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42=7(c-88)
We move all terms to the left:
42-(7(c-88))=0
We calculate terms in parentheses: -(7(c-88)), so:We get rid of parentheses
7(c-88)
We multiply parentheses
7c-616
Back to the equation:
-(7c-616)
-7c+616+42=0
We add all the numbers together, and all the variables
-7c+658=0
We move all terms containing c to the left, all other terms to the right
-7c=-658
c=-658/-7
c=+94
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