4/5a=-2

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Solution for 4/5a=-2 equation: 



4/5a=-2

We move all terms to the left:

4/5a-(-2)=0



Domain of the equation: 5a!=0

a!=0/5

a!=0

a∈R



We add all the numbers together, and all the variables

4/5a+2=0

We multiply all the terms by the denominator


2*5a+4=0

Wy multiply elements

10a+4=0

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

10a=-4

a=-4/10

a=-2/5

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