2x-x/2=21

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Solution for 2x-x/2=21 equation: 



2x-x/2=21

We move all terms to the left:

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

We multiply all the terms by the denominator


2x*2-x-21*2=0

We add all the numbers together, and all the variables

-1x+2x*2-42=0

Wy multiply elements

-1x+4x-42=0

We add all the numbers together, and all the variables

3x-42=0

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

3x=42

x=42/3

x=14

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