x+4+2x=x=20

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



x+4+2x=x=20

We move all terms to the left:

x+4+2x-(x)=0

We add all the numbers together, and all the variables

2x+4=0

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

2x=-4

x=-4/2

x=-2

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