3x-7x+8=8x+20

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Solution for 3x-7x+8=8x+20 equation: 



3x-7x+8=8x+20

We move all terms to the left:

3x-7x+8-(8x+20)=0

We add all the numbers together, and all the variables

-4x-(8x+20)+8=0

We get rid of parentheses

-4x-8x-20+8=0

We add all the numbers together, and all the variables

-12x-12=0

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

-12x=12

x=12/-12

x=-1

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