-7x+20=-x+100

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Solution for -7x+20=-x+100 equation: 



-7x+20=-x+100

We move all terms to the left:

-7x+20-(-x+100)=0

We add all the numbers together, and all the variables

-7x-(-1x+100)+20=0

We get rid of parentheses

-7x+1x-100+20=0

We add all the numbers together, and all the variables

-6x-80=0

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

-6x=80

x=80/-6

x=-13+1/3

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