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/2 = 0
x/2 = 0
x/2 = 0
1/2*x = 0 // : 1/2
x = 0
x in (-oo:0) U (0:+oo)
(x/2)^-4 = 0
16*x^-4 = 0 // : 16
x^-4 = 0
x należy do O
x belongs to the empty set
| 5/4y-7=11/4-1/4,y | | -1.9(-2p-5)+4.5p= | | -11n=121 | | m+r=12 | | 2x+2y^2=12 | | 8(2-3p)=184 | | 1/3x-13=23-1/3x | | 7m+42=-7 | | 2dx-3dy^3=0 | | 2(3x-4)=2x+3 | | -5x+6y=3 | | y^4-16y=19 | | 1-3x=1-3x | | 7(-5a+2)=14+2a | | -2a+15=6-5a | | -2d-6=d+6 | | 2(3x-4)=4x+5 | | 5n+5(1+8n)=95 | | 13x+4y=11 | | 6a+12=90 | | x-5=-1-3x | | 2y-30=90 | | 5x-4(-3x+5)=3 | | 2(3x-4)=3x+5 | | 3x+10=-3x-8 | | x26/7 | | 31=8r-9 | | -19=p-5+6p | | -4k+5k=7+2k | | 1/5(3)= | | -1.7(2y+9)-3.2y= | | 4y-20=2y+6 |