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/y = 0
x/y = 0
x/y = 0
x*y^-1 = 0 // : y^-1
x = 0
x in (-oo:0) U (0:+oo)
(x/2-(3/y))/(x/y) = 0
(x/2-3*y^-1)/(x/y) = 0
(1/2*x-3*y^-1)/(x*y^-1) = 0
1/2*x-3*y^-1 = 0 // + -3*y^-1
1/2*x = -(-3*y^-1) // : 1/2
x = (-(-3*y^-1))/1/2
x = 6*y^-1
x = 6*y^-1
| v/16=11 | | x+1/2=x-2/4 | | 4x^2-x-13=0 | | 8-3(2-x)=20 | | 17=3[p-5]+8 | | 8/35x=-16/21 | | 4/r+9/r-7 | | 9x-12=-5x | | w^2+5w-126=0 | | -2x+7=-53 | | 2(4+5x)-3(x-1)=-22 | | 8x-10+2x^2=0 | | 10a=20+r | | 2[x+3]=10 | | 3/4x-1/2x-4=12 | | 125=50t | | (x)=27+0.40x | | 2y-2+3y-6=10 | | -4(x+7)=-15 | | 2f=4f-6 | | 7c-25=65 | | 15.5=2.7n+2 | | 68=5x+43 | | B+T+TB=320 | | 3v-9=7+3v-v | | -x-3-2=2x+5 | | 0.5x+1.3=0.9x-0.7 | | 5[h-4]=8 | | 7c+25=65 | | 2.4x+1.2x-6.5=0.7 | | 6=-2[7-c] | | 2.1n-1.1n+2.2=6.6+0.7 |