3x-39=3(4x+5)

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Solution for 3x-39=3(4x+5) equation: 



3x-39=3(4x+5)

We move all terms to the left:

3x-39-(3(4x+5))=0



We calculate terms in parentheses: -(3(4x+5)), so:

3(4x+5)

We multiply parentheses

12x+15

Back to the equation:

-(12x+15)



We get rid of parentheses

3x-12x-15-39=0

We add all the numbers together, and all the variables

-9x-54=0

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

-9x=54

x=54/-9

x=-6

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