If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
x/2-(2/x) = 1 // - 1
x/2-(2/x)-1 = 0
x/2-2*x^-1-1 = 0
1/2*x^1-2*x^-1-1*x^0 = 0
(1/2*x^2-1*x^1-2*x^0)/(x^1) = 0 // * x^2
x^1*(1/2*x^2-1*x^1-2*x^0) = 0
x^1
(1/2)*x^2-x-2 = 0
(1/2)*x^2-x-2 = 0
DELTA = (-1)^2-(-2*4*(1/2))
DELTA = 5
DELTA > 0
x = (5^(1/2)+1)/(2*(1/2)) or x = (1-5^(1/2))/(2*(1/2))
x = 5^(1/2)+1 or x = 1-5^(1/2)
x in { 1-5^(1/2), 5^(1/2)+1}
x in { 1-5^(1/2), 5^(1/2)+1 }
| y=-2x-5graph | | 4x+8=-27-3x | | y=-2x-ygraph | | 9x-10+3x=1.5x+0.5 | | -x+5x=68 | | 8x=4-32 | | -4a=-37 | | -5y-1=1+10y | | 3z/8-9=5 | | x^2+4y^2-2x=0 | | 7x-12-4x=7x-5 | | 5(6+2x)=-60 | | (3y-4z)(y+7z)= | | 14y-14y= | | -2(-7x-2)=130 | | y=0.5(9)-10 | | 2(x+3)(x+3)=8 | | -4(2x+2)=56 | | x^3-10x=51 | | 7(1x+6)=49 | | 6(.1)+x=.3(6+x) | | -3(-7x-6)=-150 | | 9x-10+3x=3/2x+1/2 | | -5(-2x-7)=-75 | | 3x^2=7x+18 | | 3(-3x-10)=69 | | 0.03x=1.5 | | 20=-5/9x | | 2(-5x+9)=-32 | | 2.5x+10.25=5+3.25x | | 4-5x=4x+4 | | 4a-8=7+a |