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20+x/3=2x
We move all terms to the left:
20+x/3-(2x)=0
We add all the numbers together, and all the variables
-2x+x/3+20=0
We multiply all the terms by the denominator
-2x*3+x+20*3=0
We add all the numbers together, and all the variables
x-2x*3+60=0
Wy multiply elements
x-6x+60=0
We add all the numbers together, and all the variables
-5x+60=0
We move all terms containing x to the left, all other terms to the right
-5x=-60
x=-60/-5
x=+12
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