-4-3(-6-2x)=21+7x

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Solution for -4-3(-6-2x)=21+7x equation: 



-4-3(-6-2x)=21+7x

We move all terms to the left:

-4-3(-6-2x)-(21+7x)=0

We add all the numbers together, and all the variables

-3(-2x-6)-(7x+21)-4=0

We multiply parentheses

6x-(7x+21)+18-4=0

We get rid of parentheses

6x-7x-21+18-4=0

We add all the numbers together, and all the variables

-1x-7=0

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

-x=7

x=7/-1

x=-7

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