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 = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
4/32 = 9/x // - 9/x
4/32-(9/x) = 0
4/32-9*x^-1 = 0
-9*x^-1 = -1/8 // : -9
x^-1 = 1/72
-1 < 0
1/(x^1) = 1/72 // * x^1
1 = 1/72*x^1 // : 1/72
72 = x^1
x = 72
x = 72
| 7-w=2 | | 88=8(j+3) | | -4t=-52 | | 3.2b-5.27=12.01 | | 5-u=1 | | 2/n=1 | | 7/35-20/35 | | 62=8(r+99)+38 | | 10x+4y=124 | | (4x+y)+(3.4x+0.9y)=2630 | | 8x-22=43 | | .10x+.25y=3.70 | | 2=-1(-2)+b | | 6(n+3)=-26-2(n-2) | | .4n-1/5=-2 | | 32n-25n+3n-2n-7=97 | | V=nrh/3 | | 2/3*6/11 | | 15+p=24 | | 2.5(5b+11)=19 | | -3.3x+9.2=5x-30.8 | | -45=-9+21y | | 53t+-60t+21t+1=85 | | 29=4x+7 | | 9d-d+23=95 | | 2x+6=5x+6 | | 4x+7+2x-2= | | 2g=-g-8 | | 3(-6-9)=3(7y-3) | | 4(j-13)=16 | | 10+6x=14+6x | | 5=-3(-4)+b |