15=-3(4x+5)=13x

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Solution for 15=-3(4x+5)=13x equation: 



15=-3(4x+5)=13x

We move all terms to the left:

15-(-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

12x+15+15=0

We add all the numbers together, and all the variables

12x+30=0

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

12x=-30

x=-30/12

x=-2+1/2

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