If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( y )
y = 0
y = 0
y = 0
y in (-oo:0) U (0:+oo)
18/y = 3/5 // - 3/5
18/y-(3/5) = 0
18/y-3/5 = 0
18*y^-1 = 3/5 // : 18
y^-1 = 1/30
-1 < 0
1/(y^1) = 1/30 // * y^1
1 = 1/30*y^1 // : 1/30
30 = y^1
y = 30
y = 30
| 10+3x-x=4 | | 56t-16t^2=0 | | 5+-y-2y=2 | | 3(12w-10)=8(2w-6)+6(3w+5) | | Y=x^2+3x-15 | | 3(7n-5)+3=-7n-12 | | 5y+(4*14.5)=126.75 | | 8x-20=4x+80 | | 73y=36(2y+1) | | 3x+13=5(-3+2x) | | 4x+3x-2= | | 1 = n3– 2 | | 56g^2+9=-31g+6 | | 5+2u=7 | | 7x+8=-41 | | 2a-3(1-5a)=35-2a | | 4(3s+6)=180 | | 8=3s+2 | | Z=39+-12z | | 8(21+8)=128 | | x+1-1-(1-1)=1+1+1+x-(x-1) | | 3(2-5t)=4t-13 | | 20x=12x+6 | | 3(a-3)=33 | | 7x+18+20x=93+16x-4x | | 6+-2h=10 | | 2/3*93 | | 6b+40=-4(1-7b) | | 310/3/2 | | 10=3q+1 | | 17x+13y=200 | | 7x^2-10=15 |