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)
12/x = 4/3 // - 4/3
12/x-(4/3) = 0
12/x-4/3 = 0
12*x^-1 = 4/3 // : 12
x^-1 = 1/9
-1 < 0
1/(x^1) = 1/9 // * x^1
1 = 1/9*x^1 // : 1/9
9 = x^1
x = 9
x = 9
| 16=n/16 | | 38-19+12= | | 625000.00-37000x=0 | | Y=2x^2+7+3 | | 16x^2=3x | | 12/x=2/5 | | 19m+1=4m-1+15m | | (3/4a*4b*5)*3 | | 6x+2(x-7)=46 | | 2x=8-5y | | 3x^4-27=0 | | 18x-9/3 | | -n/6=20 | | 1.75+y=1+.2x | | 7/x=3/9 | | 100-2x=16x+24 | | 4x+7y=-13 | | 3ln(2x+2)+12=30 | | x/-2=-72 | | 3ln(2x+2)+12 = 30 | | 14=3*3+b | | 5(2j+3)=3 | | 8x+15=31 | | 3=(3)(14)+b | | 9/3=x/5 | | 3x+3x+3x=63 | | x+3x+3x=63 | | 47=5v-8 | | -4(x-3)-8=8 | | x+(x+3)+(x+3+3)=63 | | 0.5(3+-2.667)+(2+-2.667)= | | 3ln(7x+4)+19=31 |