2/5n=-4

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Solution for 2/5n=-4 equation: 



2/5n=-4

We move all terms to the left:

2/5n-(-4)=0



Domain of the equation: 5n!=0

n!=0/5

n!=0

n∈R



We add all the numbers together, and all the variables

2/5n+4=0

We multiply all the terms by the denominator


4*5n+2=0

Wy multiply elements

20n+2=0

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

20n=-2

n=-2/20

n=-1/10

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