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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-4x-3x-6-15=0

We add all the numbers together, and all the variables

-7x-21=0

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

-7x=21

x=21/-7

x=-3

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