-15=-5(9+2x)

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Solution for -15=-5(9+2x) equation: 



-15=-5(9+2x)

We move all terms to the left:

-15-(-5(9+2x))=0

We add all the numbers together, and all the variables

-(-5(2x+9))-15=0



We calculate terms in parentheses: -(-5(2x+9)), so:

-5(2x+9)

We multiply parentheses

-10x-45

Back to the equation:

-(-10x-45)



We get rid of parentheses

10x+45-15=0

We add all the numbers together, and all the variables

10x+30=0

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

10x=-30

x=-30/10

x=-3

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