-3(4k-15)=-5/3(12k

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Solution for -3(4k-15)=-5/3(12k equation: 



-3(4k-15)=-5/3(12k

We move all terms to the left:

-3(4k-15)-(-5/3(12k)=0



Domain of the equation: 312k!=0

k!=0/312

k!=0

k∈R



We multiply parentheses

-12k-(-5/312k+45=0

We multiply all the terms by the denominator


-12k*312k+45-(-5=0

We add all the numbers together, and all the variables

-12k*312k=0

Wy multiply elements

-3744k^2=0

a = -3744; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-3744)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$k=\frac{-b}{2a}=\frac{0}{-7488}=0$

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