X-20+2x=40

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Solution for X-20+2x=40 equation: 



X-20+2X=40

We move all terms to the left:

X-20+2X-(40)=0

We add all the numbers together, and all the variables

3X-60=0

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

3X=60

X=60/3

X=20

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