X-9x+21=12x-6x+36

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Solution for X-9x+21=12x-6x+36 equation: 



X-9X+21=12X-6X+36

We move all terms to the left:

X-9X+21-(12X-6X+36)=0

We add all the numbers together, and all the variables

X-9X-(6X+36)+21=0

We add all the numbers together, and all the variables

-8X-(6X+36)+21=0

We get rid of parentheses

-8X-6X-36+21=0

We add all the numbers together, and all the variables

-14X-15=0

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

-14X=15

X=15/-14

X=-1+1/14

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