21/3-1/2=a

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Solution for 21/3-1/2=a equation: 



21/3-1/2=a

We move all terms to the left:

21/3-1/2-(a)=0

We add all the numbers together, and all the variables

-1a+7-1/2=0

We multiply all the terms by the denominator


-1a*2-1+7*2=0

We add all the numbers together, and all the variables

-1a*2+13=0

Wy multiply elements

-2a+13=0

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

-2a=-13

a=-13/-2

a=6+1/2

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