(3x+12x)=(-8x+4)

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Solution for (3x+12x)=(-8x+4) equation: 



(3x+12x)=(-8x+4)

We move all terms to the left:

(3x+12x)-((-8x+4))=0

We add all the numbers together, and all the variables

(+15x)-((-8x+4))=0

We get rid of parentheses

15x-((-8x+4))=0



We calculate terms in parentheses: -((-8x+4)), so:

(-8x+4)

We get rid of parentheses

-8x+4

Back to the equation:

-(-8x+4)



We get rid of parentheses

15x+8x-4=0

We add all the numbers together, and all the variables

23x-4=0

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

23x=4

x=4/23

x=4/23

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