3x+2=7x-20

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Solution for 3x+2=7x-20 equation: 



3x+2=7x-20

We move all terms to the left:

3x+2-(7x-20)=0

We get rid of parentheses

3x-7x+20+2=0

We add all the numbers together, and all the variables

-4x+22=0

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

-4x=-22

x=-22/-4

x=5+1/2

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