2=-4/2a

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Solution for 2=-4/2a equation: 



2=-4/2a

We move all terms to the left:

2-(-4/2a)=0



Domain of the equation: 2a)!=0

a!=0/1

a!=0

a∈R



We get rid of parentheses

4/2a+2=0

We multiply all the terms by the denominator


2*2a+4=0

Wy multiply elements

4a+4=0

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

4a=-4

a=-4/4

a=-1

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