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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



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

4(x+3)-(x-12)

We multiply parentheses

4x-(x-12)+12

We get rid of parentheses

4x-x+12+12

We add all the numbers together, and all the variables

3x+24

Back to the equation:

-(3x+24)



We get rid of parentheses

3x-3x-24=0

We add all the numbers together, and all the variables

-24!=0

There is no solution for this equation

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