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

-3x-(-11x-13)+9=0

We get rid of parentheses

-3x+11x+13+9=0

We add all the numbers together, and all the variables

8x+22=0

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

8x=-22

x=-22/8

x=-2+3/4

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