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88(-c-7)+9c=-2c
We move all terms to the left:
88(-c-7)+9c-(-2c)=0
We add all the numbers together, and all the variables
88(-1c-7)+9c-(-2c)=0
We add all the numbers together, and all the variables
9c+88(-1c-7)-(-2c)=0
We multiply parentheses
9c-88c-(-2c)-616=0
We get rid of parentheses
9c-88c+2c-616=0
We add all the numbers together, and all the variables
-77c-616=0
We move all terms containing c to the left, all other terms to the right
-77c=616
c=616/-77
c=-8
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