x+2x+x-20=292

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Solution for x+2x+x-20=292 equation: 



x+2x+x-20=292

We move all terms to the left:

x+2x+x-20-(292)=0

We add all the numbers together, and all the variables

4x-312=0

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

4x=312

x=312/4

x=78

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