7x-3-8x=9-x-12

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Solution for 7x-3-8x=9-x-12 equation: 



7x-3-8x=9-x-12

We move all terms to the left:

7x-3-8x-(9-x-12)=0

We add all the numbers together, and all the variables

7x-8x-(-1x-3)-3=0

We add all the numbers together, and all the variables

-1x-(-1x-3)-3=0

We get rid of parentheses

-1x+1x+3-3=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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