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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-6x+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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