4/a=2

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Solution for 4/a=2 equation: 



4/a=2

We move all terms to the left:

4/a-(2)=0



Domain of the equation: a!=0

a∈R



We multiply all the terms by the denominator


-2*a+4=0

We add all the numbers together, and all the variables

-2a+4=0

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

-2a=-4

a=-4/-2

a=+2

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