20+(20-x)+(20-2x)=20+17x

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Solution for 20+(20-x)+(20-2x)=20+17x equation: 



20+(20-x)+(20-2x)=20+17x

We move all terms to the left:

20+(20-x)+(20-2x)-(20+17x)=0

We add all the numbers together, and all the variables

(-1x+20)+(-2x+20)-(17x+20)+20=0

We get rid of parentheses

-1x-2x-17x+20+20-20+20=0

We add all the numbers together, and all the variables

-20x+40=0

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

-20x=-40

x=-40/-20

x=+2

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