4x-20=2x+30=100

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Solution for 4x-20=2x+30=100 equation: 



4x-20=2x+30=100

We move all terms to the left:

4x-20-(2x+30)=0

We get rid of parentheses

4x-2x-30-20=0

We add all the numbers together, and all the variables

2x-50=0

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

2x=50

x=50/2

x=25

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