-12=-3(x-1)-2x

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Solution for -12=-3(x-1)-2x equation: 



-12=-3(x-1)-2x

We move all terms to the left:

-12-(-3(x-1)-2x)=0



We calculate terms in parentheses: -(-3(x-1)-2x), so:

-3(x-1)-2x

We add all the numbers together, and all the variables

-2x-3(x-1)

We multiply parentheses

-2x-3x+3

We add all the numbers together, and all the variables

-5x+3

Back to the equation:

-(-5x+3)



We get rid of parentheses

5x-3-12=0

We add all the numbers together, and all the variables

5x-15=0

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

5x=15

x=15/5

x=3

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