n/9=(-2/7)

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Solution for n/9=(-2/7) equation: 



n/9=(-2/7)

We move all terms to the left:

n/9-((-2/7))=0

We calculate fractions


7n^2/()+()/()=0

We add all the numbers together, and all the variables

7n^2/()+1=0

We multiply all the terms by the denominator


7n^2+1*()=0

We add all the numbers together, and all the variables

7n^2=0

a = 7; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·7·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$n=\frac{-b}{2a}=\frac{0}{14}=0$

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