-3(-2+x)=-21

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



-3(-2+x)=-21

We move all terms to the left:

-3(-2+x)-(-21)=0

We add all the numbers together, and all the variables

-3(x-2)-(-21)=0

We add all the numbers together, and all the variables

-3(x-2)+21=0

We multiply parentheses

-3x+6+21=0

We add all the numbers together, and all the variables

-3x+27=0

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

-3x=-27

x=-27/-3

x=+9

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