5x-4=7(8-x)

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Solution for 5x-4=7(8-x) equation: 



5x-4=7(8-x)

We move all terms to the left:

5x-4-(7(8-x))=0

We add all the numbers together, and all the variables

5x-(7(-1x+8))-4=0



We calculate terms in parentheses: -(7(-1x+8)), so:

7(-1x+8)

We multiply parentheses

-7x+56

Back to the equation:

-(-7x+56)



We get rid of parentheses

5x+7x-56-4=0

We add all the numbers together, and all the variables

12x-60=0

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

12x=60

x=60/12

x=5

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