1/7n-5=90

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Solution for 1/7n-5=90 equation: 



1/7n-5=90

We move all terms to the left:

1/7n-5-(90)=0



Domain of the equation: 7n!=0

n!=0/7

n!=0

n∈R



We add all the numbers together, and all the variables

1/7n-95=0

We multiply all the terms by the denominator


-95*7n+1=0

Wy multiply elements

-665n+1=0

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

-665n=-1

n=-1/-665

n=1/665

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