3/5n=-21

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Solution for 3/5n=-21 equation: 



3/5n=-21

We move all terms to the left:

3/5n-(-21)=0



Domain of the equation: 5n!=0

n!=0/5

n!=0

n∈R



We add all the numbers together, and all the variables

3/5n+21=0

We multiply all the terms by the denominator


21*5n+3=0

Wy multiply elements

105n+3=0

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

105n=-3

n=-3/105

n=-1/35

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