(180-x)=(30+(2x-30))/(2)

Solution for (180-x)=(30+(2x-30))/(2) equation:

(180-x)=(30+(2x-30))/(2)

We move all terms to the left:

(180-x)-((30+(2x-30))/(2))=0

We add all the numbers together, and all the variables

(-1x+180)-((30+(2x-30))/2)=0

We get rid of parentheses

-1x-((30+(2x-30))/2)+180=0

We multiply all the terms by the denominator


-1x*2)-((30+(2x-30))+180*2)=0

We add all the numbers together, and all the variables

-1x*2)-((30+(2x-30))=0

Wy multiply elements

-2x^2=0

a = -2; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-2)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{0}{-4}=0$