-7(-6-4x)=-21+7x

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Solution for -7(-6-4x)=-21+7x equation: 



-7(-6-4x)=-21+7x

We move all terms to the left:

-7(-6-4x)-(-21+7x)=0

We add all the numbers together, and all the variables

-7(-4x-6)-(7x-21)=0

We multiply parentheses

28x-(7x-21)+42=0

We get rid of parentheses

28x-7x+21+42=0

We add all the numbers together, and all the variables

21x+63=0

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

21x=-63

x=-63/21

x=-3

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