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)
6/x = 12/17 // - 12/17
6/x-(12/17) = 0
6/x-12/17 = 0
6*x^-1 = 12/17 // : 6
x^-1 = 2/17
-1 < 0
1/(x^1) = 2/17 // * x^1
1 = 2/17*x^1 // : 2/17
17/2 = x^1
x = 17/2
x = 17/2
| 12-0.4Q=5+4Q+0.6Q(Q) | | 10x-101=29+5x | | 8(2f-3)=4(f-8) | | 4+w/3=-2 | | 3/4x+8=20 | | x^2-x+136=0 | | 6-z=14 | | 42n^6+42n^5+12n^4-18n^2/-3n^2 | | (x^5y^3)^2/x^3 | | (x^2+6)=-16 | | 60r+45r+364.5=3950 | | -x/4=6 | | x^2/y*y^2/x | | 8+2x+3=x+2x+1 | | -2xplusy=-3 | | 14-36=-35x | | x^15=1000 | | x+4x-x=20 | | 7-(x+4)=0 | | 3.498=0.53k | | 0.6Q(Q)+3.6Q-7=0 | | 2m+13=-10m+1 | | 3x+20=20-20+x | | 17=-3(2x+3)+7x | | -1.8r+3=-7.8 | | (2/3*1)+3 | | (y+10)+(3y-20)+70=180 | | (2/3*0)+3 | | T-3+4t=-3(3t-9) | | (2/3*-1)+3 | | 9+2n=-59 | | 2/3*-1+3 |