7x-12=8x-3

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



7x-12=8x-3

We move all terms to the left:

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

We get rid of parentheses

7x-8x+3-12=0

We add all the numbers together, and all the variables

-1x-9=0

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

-x=9

x=9/-1

x=-9

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