2(x-40)=x+20

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Solution for 2(x-40)=x+20 equation: 



2(x-40)=x+20

We move all terms to the left:

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

We multiply parentheses

2x-(x+20)-80=0

We get rid of parentheses

2x-x-20-80=0

We add all the numbers together, and all the variables

x-100=0

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

x=100

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