2/5n+9=-1

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Solution for 2/5n+9=-1 equation: 



2/5n+9=-1

We move all terms to the left:

2/5n+9-(-1)=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+10=0

We multiply all the terms by the denominator


10*5n+2=0

Wy multiply elements

50n+2=0

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

50n=-2

n=-2/50

n=-1/25

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