40x-20=20x+100

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Solution for 40x-20=20x+100 equation: 



40x-20=20x+100

We move all terms to the left:

40x-20-(20x+100)=0

We get rid of parentheses

40x-20x-100-20=0

We add all the numbers together, and all the variables

20x-120=0

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

20x=120

x=120/20

x=6

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