15x-3-12x-9=9x+13-7x-7

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Solution for 15x-3-12x-9=9x+13-7x-7 equation: 



15x-3-12x-9=9x+13-7x-7

We move all terms to the left:

15x-3-12x-9-(9x+13-7x-7)=0

We add all the numbers together, and all the variables

15x-12x-(2x+6)-3-9=0

We add all the numbers together, and all the variables

3x-(2x+6)-12=0

We get rid of parentheses

3x-2x-6-12=0

We add all the numbers together, and all the variables

x-18=0

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

x=18

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