72=7x-3(x-4)

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Solution for 72=7x-3(x-4) equation: 



72=7x-3(x-4)

We move all terms to the left:

72-(7x-3(x-4))=0



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

7x-3(x-4)

We multiply parentheses

7x-3x+12

We add all the numbers together, and all the variables

4x+12

Back to the equation:

-(4x+12)



We get rid of parentheses

-4x-12+72=0

We add all the numbers together, and all the variables

-4x+60=0

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

-4x=-60

x=-60/-4

x=+15

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