7x+2=3x-12-(x-4)

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Solution for 7x+2=3x-12-(x-4) equation: 



7x+2=3x-12-(x-4)

We move all terms to the left:

7x+2-(3x-12-(x-4))=0



We calculate terms in parentheses: -(3x-12-(x-4)), so:

3x-12-(x-4)

determiningTheFunctionDomain
3x-(x-4)-12

We get rid of parentheses

3x-x+4-12

We add all the numbers together, and all the variables

2x-8

Back to the equation:

-(2x-8)



We get rid of parentheses

7x-2x+8+2=0

We add all the numbers together, and all the variables

5x+10=0

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

5x=-10

x=-10/5

x=-2

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