2x+20=4x+100

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



2x+20=4x+100
We move all terms to the left:
2x+20-(4x+100)=0
We get rid of parentheses
2x-4x-100+20=0
We add all the numbers together, and all the variables
-2x-80=0
We move all terms containing x to the left, all other terms to the right
-2x=80
x=80/-2
x=-40

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