-15=-6(3+x)+4(x+6)

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Solution for -15=-6(3+x)+4(x+6) equation: 



-15=-6(3+x)+4(x+6)

We move all terms to the left:

-15-(-6(3+x)+4(x+6))=0

We add all the numbers together, and all the variables

-(-6(x+3)+4(x+6))-15=0



We calculate terms in parentheses: -(-6(x+3)+4(x+6)), so:

-6(x+3)+4(x+6)

We multiply parentheses

-6x+4x-18+24

We add all the numbers together, and all the variables

-2x+6

Back to the equation:

-(-2x+6)



We get rid of parentheses

2x-6-15=0

We add all the numbers together, and all the variables

2x-21=0

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

2x=21

x=21/2

x=10+1/2

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