-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 multiply parentheses

-3x+6-21=0

We add all the numbers together, and all the variables

-3x-15=0

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

-3x=15

x=15/-3

x=-5

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