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)
i/2-i+4 = y-(i/x) // - y-(i/x)
i/2-i+i/x-y+4 = 0
i*x^-1 = -(4-1/2*i-y) // : i
x^-1 = -(i^-1*(4-1/2*i-y))
-1 < 0
1/(x^1) = -(i^-1*(4-1/2*i-y)) // * x^1
1 = -i^-1*x^1*(-(4-1/2*i-y)) // : -(i^-1*(4-1/2*i-y))
1/(-(i^-1*(4-1/2*i-y))) = x^1
x = 1/(-(i^-1*(4-1/2*i-y)))
x = 1/(-(i^-1*(4-1/2*i-y)))
| (x^2+7x-44)/x-4 | | 6y-35+3y=145-6y | | -3/4x=-5/6 | | 6x+5y=61 | | 6x^2+41=5 | | 30+0.05m= | | x*19.3+(100-10-1.93-0.1*x)*0.471=150 | | r^4-2r^3-8r^2=0 | | 2.9+6y=1.1 | | 3x+14+2x=44 | | 6+0.5x=22 | | -6x+4y=8 | | c=30+0.05 | | x^2+9y^2=9 | | a^2-4a-60=0 | | 14-5y=-1 | | -.5(32x^2)+1000x+50=2000 | | -.5(32x^2)+1000x+50=0 | | x^2+10x+y^2-14y+64=0 | | 7.50+2.50c=12.50 | | 4v+3w+4=7 | | 4(4+1)=3x-4(6-x)+8 | | x+5-4x=32 | | -48=8t | | -6+7(x-2)=16x+5-9x | | 243=y(4y-9) | | p=2r-c+4/n | | -(7y+1)-(-6y-6)=3 | | -.5(32x^2)+24x+60=68 | | 243=4x^2-4x | | 2-88a+3a=17 | | 8-x=27 |