7x-110=2x-20

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Solution for 7x-110=2x-20 equation: 



7x-110=2x-20

We move all terms to the left:

7x-110-(2x-20)=0

We get rid of parentheses

7x-2x+20-110=0

We add all the numbers together, and all the variables

5x-90=0

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

5x=90

x=90/5

x=18

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