3x+7=4(x-4)

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



3x+7=4(x-4)

We move all terms to the left:

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



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

4(x-4)

We multiply parentheses

4x-16

Back to the equation:

-(4x-16)



We get rid of parentheses

3x-4x+16+7=0

We add all the numbers together, and all the variables

-1x+23=0

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

-x=-23

x=-23/-1

x=+23

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