15=-3x-3(-4x+10)

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Solution for 15=-3x-3(-4x+10) equation: 



15=-3x-3(-4x+10)

We move all terms to the left:

15-(-3x-3(-4x+10))=0



We calculate terms in parentheses: -(-3x-3(-4x+10)), so:

-3x-3(-4x+10)

We multiply parentheses

-3x+12x-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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