-9x+9-12x=4x-13-15x

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Solution for -9x+9-12x=4x-13-15x equation: 



-9x+9-12x=4x-13-15x

We move all terms to the left:

-9x+9-12x-(4x-13-15x)=0

We add all the numbers together, and all the variables

-9x-12x-(-11x-13)+9=0

We add all the numbers together, and all the variables

-21x-(-11x-13)+9=0

We get rid of parentheses

-21x+11x+13+9=0

We add all the numbers together, and all the variables

-10x+22=0

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

-10x=-22

x=-22/-10

x=2+1/5

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