X+15-7x=-9-3x

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Solution for X+15-7x=-9-3x equation: 



X+15-7X=-9-3X

We move all terms to the left:

X+15-7X-(-9-3X)=0

We add all the numbers together, and all the variables

X-7X-(-3X-9)+15=0

We add all the numbers together, and all the variables

-6X-(-3X-9)+15=0

We get rid of parentheses

-6X+3X+9+15=0

We add all the numbers together, and all the variables

-3X+24=0

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

-3X=-24

X=-24/-3

X=+8

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