X+31/2=-5/9(28-x)

Solution for X+31/2=-5/9(28-x) equation:

X+31/2=-5/9(28-X)

We move all terms to the left:

X+31/2-(-5/9(28-X))=0


Domain of the equation: 9(28-X))!=0

X∈R


We add all the numbers together, and all the variables

X-(-5/9(-1X+28))+31/2=0

We calculate fractions


X+()/(-18X)+(279X(-)/(-18X)=0


We calculate terms in parentheses: +(279X(-)/(-18X), so:

279X(-)/(-18X

We add all the numbers together, and all the variables

279X0/(-18X

We multiply all the terms by the denominator


279X0

We add all the numbers together, and all the variables

279X

Back to the equation:

+(279X)


We add all the numbers together, and all the variables

280X+()/(-18X)=0

We multiply all the terms by the denominator


280X*(-18X)+()=0

We add all the numbers together, and all the variables

280X*(-18X)=0

We multiply parentheses

-5040X^2=0

a = -5040; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-5040)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$X=\frac{-b}{2a}=\frac{0}{-10080}=0$