15+45=3(3x-4)

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Solution for 15+45=3(3x-4) equation: 



15+45=3(3x-4)

We move all terms to the left:

15+45-(3(3x-4))=0

We add all the numbers together, and all the variables

-(3(3x-4))+60=0



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

3(3x-4)

We multiply parentheses

9x-12

Back to the equation:

-(9x-12)



We get rid of parentheses

-9x+12+60=0

We add all the numbers together, and all the variables

-9x+72=0

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

-9x=-72

x=-72/-9

x=+8

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