28=7/2a

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Solution for 28=7/2a equation: 



28=7/2a

We move all terms to the left:

28-(7/2a)=0



Domain of the equation: 2a)!=0

a!=0/1

a!=0

a∈R



We add all the numbers together, and all the variables

-(+7/2a)+28=0

We get rid of parentheses

-7/2a+28=0

We multiply all the terms by the denominator


28*2a-7=0

Wy multiply elements

56a-7=0

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

56a=7

a=7/56

a=1/8

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