-43=(-4x+7x)+12

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Solution for -43=(-4x+7x)+12 equation: 



-43=(-4x+7x)+12

We move all terms to the left:

-43-((-4x+7x)+12)=0

We add all the numbers together, and all the variables

-((+3x)+12)-43=0



We calculate terms in parentheses: -((+3x)+12), so:

(+3x)+12

We get rid of parentheses

3x+12

Back to the equation:

-(3x+12)



We get rid of parentheses

-3x-12-43=0

We add all the numbers together, and all the variables

-3x-55=0

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

-3x=55

x=55/-3

x=-18+1/3

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