20=1/2a

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Solution for 20=1/2a equation: 



20=1/2a

We move all terms to the left:

20-(1/2a)=0



Domain of the equation: 2a)!=0

a!=0/1

a!=0

a∈R



We add all the numbers together, and all the variables

-(+1/2a)+20=0

We get rid of parentheses

-1/2a+20=0

We multiply all the terms by the denominator


20*2a-1=0

Wy multiply elements

40a-1=0

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

40a=1

a=1/40

a=1/40

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