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(z/15)=(20/60)
We move all terms to the left:
(z/15)-((20/60))=0
We add all the numbers together, and all the variables
(+z/15)-((+20/60))=0
We get rid of parentheses
z/15-((+20/60))=0
We calculate fractions
60z^2/()+()/()=0
We add all the numbers together, and all the variables
60z^2/()+1=0
We multiply all the terms by the denominator
60z^2+1*()=0
We add all the numbers together, and all the variables
60z^2=0
a = 60; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·60·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$z=\frac{-b}{2a}=\frac{0}{120}=0$
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