15=-3(2x+4)-12

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Solution for 15=-3(2x+4)-12 equation: 



15=-3(2x+4)-12

We move all terms to the left:

15-(-3(2x+4)-12)=0



We calculate terms in parentheses: -(-3(2x+4)-12), so:

-3(2x+4)-12

We multiply parentheses

-6x-12-12

We add all the numbers together, and all the variables

-6x-24

Back to the equation:

-(-6x-24)



We get rid of parentheses

6x+24+15=0

We add all the numbers together, and all the variables

6x+39=0

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

6x=-39

x=-39/6

x=-6+1/2

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