12=20-8x

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Solution for 12=20-8x equation: 



12=20-8x

We move all terms to the left:

12-(20-8x)=0

We add all the numbers together, and all the variables

-(-8x+20)+12=0

We get rid of parentheses

8x-20+12=0

We add all the numbers together, and all the variables

8x-8=0

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

8x=8

x=8/8

x=1

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