-7+4x=x+20

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Solution for -7+4x=x+20 equation: 



-7+4x=x+20

We move all terms to the left:

-7+4x-(x+20)=0

We get rid of parentheses

4x-x-20-7=0

We add all the numbers together, and all the variables

3x-27=0

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

3x=27

x=27/3

x=9

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