If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( O )
O = 0
O = 0
O = 0
O in (-oo:0) U (0:+oo)
3/2 = 3.5/O // - 3.5/O
3/2-(3.5/O) = 0
3/2-3.5*O^-1 = 0
-3.5*O^-1 = -3/2 // : -3.5
O^-1 = 0.42857143
-1 < 0
1/(O^1) = 0.42857143 // * O^1
1 = 0.42857143*O^1 // : 0.42857143
2.33333333 = O^1
O = 2.33333333
O = 2.33333333
| 5/6b=3/4y | | 5(b-5)+7=2(4-3b)+7 | | -8(1-5x)=8x-40 | | M/4=1.5/5 | | x(1+4)=8 | | 12/I=14/3.5 | | 20-3v=-3(v-5) | | 2.5/5=p/4 | | (5y-2)+4=26 | | 10x=190 | | x(1+y)=6 | | y-20=-9 | | (r/5)-2=3 | | 66=36x+6y | | Xdany=160 | | A=28 | | 23=4+2x | | P=23+26 | | X/(3x-5)=-1/2 | | X^2+2.5-1.5=0 | | 3/4(x-5)2/3(2x-1) | | [(18+10)2]+4(6-40)= | | -127=5x+4(-6x-8) | | 5^2x^4/5^7y^2= | | -5x+8=17 | | 6x-5(3x+17)=-4 | | 3(x-5)=6x+6 | | -2y=2y | | 209=96 | | -6x+7(2x+3)=85 | | m/-13=31 | | -35=5x+6(-2x+7) |