-126=7(-3c+6)

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Solution for -126=7(-3c+6) equation: 



-126=7(-3c+6)

We move all terms to the left:

-126-(7(-3c+6))=0



We calculate terms in parentheses: -(7(-3c+6)), so:

7(-3c+6)

We multiply parentheses

-21c+42

Back to the equation:

-(-21c+42)



We get rid of parentheses

21c-42-126=0

We add all the numbers together, and all the variables

21c-168=0

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

21c=168

c=168/21

c=8

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