12-8x=3+x

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



12-8x=3+x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-8x-x-3+12=0

We add all the numbers together, and all the variables

-9x+9=0

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

-9x=-9

x=-9/-9

x=1

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