x+x/3=20

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Solution for x+x/3=20 equation: 



x+x/3=20

We move all terms to the left:

x+x/3-(20)=0

We multiply all the terms by the denominator


x*3+x-20*3=0

We add all the numbers together, and all the variables

x+x*3-60=0

Wy multiply elements

x+3x-60=0

We add all the numbers together, and all the variables

4x-60=0

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

4x=60

x=60/4

x=15

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