X=x1+x2/2

Solution for X=x1+x2/2 equation:

X=X1+X2/2

We move all terms to the left:

X-(X1+X2/2)=0

We add all the numbers together, and all the variables

X-(+X+X2/2)=0

We get rid of parentheses

X-X-X2/2=0

We multiply all the terms by the denominator


X*2-X*2-X2=0

We add all the numbers together, and all the variables

-1X^2+X*2-X*2=0

Wy multiply elements

-1X^2+2X-2X=0

We add all the numbers together, and all the variables

-1X^2=0

a = -1; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-1)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

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