4x+9=18-(1/2)x

Solution for 4x+9=18-(1/2)x equation:

4x+9=18-(1/2)x

We move all terms to the left:

4x+9-(18-(1/2)x)=0


Domain of the equation: 2)x)!=0

x!=0/1

x!=0

x∈R


We add all the numbers together, and all the variables

4x-(18-(+1/2)x)+9=0

We multiply all the terms by the denominator


4x*2)x)-(18-(+9*2)x)+1=0

We add all the numbers together, and all the variables

4x*2)x)-(18-18x)+1=0

Wy multiply elements

8x^2=0

a = 8; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·8·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{0}{16}=0$