4x+90=2x+20

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Solution for 4x+90=2x+20 equation: 



4x+90=2x+20

We move all terms to the left:

4x+90-(2x+20)=0

We get rid of parentheses

4x-2x-20+90=0

We add all the numbers together, and all the variables

2x+70=0

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

2x=-70

x=-70/2

x=-35

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