X=-3x-15

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Solution for X=-3x-15 equation: 



X=-3X-15

We move all terms to the left:

X-(-3X-15)=0

We get rid of parentheses

X+3X+15=0

We add all the numbers together, and all the variables

4X+15=0

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

4X=-15

X=-15/4

X=-3+3/4

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