9x+12=2x-(3-4x)

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Solution for 9x+12=2x-(3-4x) equation: 



9x+12=2x-(3-4x)

We move all terms to the left:

9x+12-(2x-(3-4x))=0

We add all the numbers together, and all the variables

9x-(2x-(-4x+3))+12=0



We calculate terms in parentheses: -(2x-(-4x+3)), so:

2x-(-4x+3)

We get rid of parentheses

2x+4x-3

We add all the numbers together, and all the variables

6x-3

Back to the equation:

-(6x-3)



We get rid of parentheses

9x-6x+3+12=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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