20-2/a=12

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Solution for 20-2/a=12 equation: 



20-2/a=12

We move all terms to the left:

20-2/a-(12)=0



Domain of the equation: a!=0

a∈R



We add all the numbers together, and all the variables

-2/a+8=0

We multiply all the terms by the denominator


8*a-2=0

We add all the numbers together, and all the variables

8a-2=0

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

8a=2

a=2/8

a=1/4

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