3x+7=8x-20

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



3x+7=8x-20

We move all terms to the left:

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

We get rid of parentheses

3x-8x+20+7=0

We add all the numbers together, and all the variables

-5x+27=0

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

-5x=-27

x=-27/-5

x=5+2/5

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