15=3x+6(x-5)

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Solution for 15=3x+6(x-5) equation: 



15=3x+6(x-5)

We move all terms to the left:

15-(3x+6(x-5))=0



We calculate terms in parentheses: -(3x+6(x-5)), so:

3x+6(x-5)

We multiply parentheses

3x+6x-30

We add all the numbers together, and all the variables

9x-30

Back to the equation:

-(9x-30)



We get rid of parentheses

-9x+30+15=0

We add all the numbers together, and all the variables

-9x+45=0

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

-9x=-45

x=-45/-9

x=+5

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