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)
19 = 114/y // - 114/y
19-(114/y) = 0
19-114*y^-1 = 0
-114*y^-1 = -19 // : -114
y^-1 = 1/6
-1 < 0
1/(y^1) = 1/6 // * y^1
1 = 1/6*y^1 // : 1/6
6 = y^1
y = 6
y = 6
| -0.24x+86.4=-7.2 | | 3(f-5)+10=40 | | 9x+4=5x+60 | | y^8=14 | | 8.6x=111.8 | | (2x-5).2x-3/2 | | f(x)=2.4x+15 | | 2u+4=4 | | 2x+100=50 | | 3g+6=-15 | | 1.5d+3.25=2+2.25d | | -7=5+-4d | | 6=s/3-(-4) | | 10=6-(-2h) | | 102x+3=5y+35 | | a/6=4=9 | | 7-2k=1 | | 29(7+43)= | | 3/y=-3 | | 3=33/j | | 22x+25=100 | | 28(d+13)=784 | | Y+9.2=10 | | 19=h/4 | | 9X^2-6x+1=-20 | | 9(s-88)=72 | | A-0.6=2.4 | | 9(b+1)=99 | | 2v+7=17 | | 8(f-95)=16 | | 0.13x=1733 | | 2x-8/6=3 |