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12x/3+6x=20
We move all terms to the left:
12x/3+6x-(20)=0
We add all the numbers together, and all the variables
6x+12x/3-20=0
We multiply all the terms by the denominator
6x*3+12x-20*3=0
We add all the numbers together, and all the variables
12x+6x*3-60=0
Wy multiply elements
12x+18x-60=0
We add all the numbers together, and all the variables
30x-60=0
We move all terms containing x to the left, all other terms to the right
30x=60
x=60/30
x=2
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