(5u)/7=(-15)/2

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Solution for (5u)/7=(-15)/2 equation: 



(5u)/7=(-15)/2

We move all terms to the left:

(5u)/7-((-15)/2)=0

We calculate fractions


10u^2/()+()/()=0

We add all the numbers together, and all the variables

10u^2/()+1=0

We multiply all the terms by the denominator


10u^2+1*()=0

We add all the numbers together, and all the variables

10u^2=0

a = 10; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·10·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$u=\frac{-b}{2a}=\frac{0}{20}=0$

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