42=3c-7

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Solution for 42=3c-7 equation: 



42=3c-7

We move all terms to the left:

42-(3c-7)=0

We get rid of parentheses

-3c+7+42=0

We add all the numbers together, and all the variables

-3c+49=0

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

-3c=-49

c=-49/-3

c=16+1/3

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