12-43=3(x-4)-7

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Solution for 12-43=3(x-4)-7 equation: 



12-43=3(x-4)-7

We move all terms to the left:

12-43-(3(x-4)-7)=0

We add all the numbers together, and all the variables

-(3(x-4)-7)-31=0



We calculate terms in parentheses: -(3(x-4)-7), so:

3(x-4)-7

We multiply parentheses

3x-12-7

We add all the numbers together, and all the variables

3x-19

Back to the equation:

-(3x-19)



We get rid of parentheses

-3x+19-31=0

We add all the numbers together, and all the variables

-3x-12=0

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

-3x=12

x=12/-3

x=-4

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