-4=8x-20=12

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Solution for -4=8x-20=12 equation: 



-4=8x-20=12

We move all terms to the left:

-4-(8x-20)=0

We get rid of parentheses

-8x+20-4=0

We add all the numbers together, and all the variables

-8x+16=0

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

-8x=-16

x=-16/-8

x=+2

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