x+8=3x+20

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Solution for x+8=3x+20 equation: 



x+8=3x+20

We move all terms to the left:

x+8-(3x+20)=0

We get rid of parentheses

x-3x-20+8=0

We add all the numbers together, and all the variables

-2x-12=0

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

-2x=12

x=12/-2

x=-6

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