7x+12-9x=20-17x+15x-8

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Solution for 7x+12-9x=20-17x+15x-8 equation: 



7x+12-9x=20-17x+15x-8

We move all terms to the left:

7x+12-9x-(20-17x+15x-8)=0

We add all the numbers together, and all the variables

7x-9x-(-2x+12)+12=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

-2x+2x-12+12=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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