7(c-78)=84

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Solution for 7(c-78)=84 equation: 



7(c-78)=84

We move all terms to the left:

7(c-78)-(84)=0

We multiply parentheses

7c-546-84=0

We add all the numbers together, and all the variables

7c-630=0

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

7c=630

c=630/7

c=90

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