2x+x/3=21

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Solution for 2x+x/3=21 equation: 



2x+x/3=21

We move all terms to the left:

2x+x/3-(21)=0

We multiply all the terms by the denominator


2x*3+x-21*3=0

We add all the numbers together, and all the variables

x+2x*3-63=0

Wy multiply elements

x+6x-63=0

We add all the numbers together, and all the variables

7x-63=0

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

7x=63

x=63/7

x=9

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