3(-2x-1)=15

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Solution for 3(-2x-1)=15 equation: 



3(-2x-1)=15

We move all terms to the left:

3(-2x-1)-(15)=0

We multiply parentheses

-6x-3-15=0

We add all the numbers together, and all the variables

-6x-18=0

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

-6x=18

x=18/-6

x=-3

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