-4x=-1/2(10x=18)

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Solution for -4x=-1/2(10x=18) equation: 



-4x=-1/2(10x=18)

We move all terms to the left:

-4x-(-1/2(10x)=0



Domain of the equation: 210x!=0

x!=0/210

x!=0

x∈R



We multiply all the terms by the denominator


-4x*210x-(-1=0

We add all the numbers together, and all the variables

-4x*210x=0

Wy multiply elements

-840x^2=0

a = -840; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-840)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{0}{-1680}=0$

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