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)
7/12 = 2/x // - 2/x
7/12-(2/x) = 0
7/12-2*x^-1 = 0
-2*x^-1 = -7/12 // : -2
x^-1 = 7/24
-1 < 0
1/(x^1) = 7/24 // * x^1
1 = 7/24*x^1 // : 7/24
24/7 = x^1
x = 24/7
x = 24/7
| +1x=-8 | | 58-3/4x11 | | 2x+3x+10x=180 | | x=-4+1 | | 1.25x=0.75x+.50 | | y=(x-2)(x+7) | | (7x-4)(8x+4)=0 | | 4/5×m=1 | | 3x+11=x+21 | | 7x-10x-20=11 | | X-1/2=2x-3/5 | | 7x+9=100-x-3 | | (9pq^6-11p^4q)-(-5pq^6+p^4q^4)= | | 6bc+2bc=5bc | | 1/2(4x-10)=8 | | 6-(11-8)X2/100 | | 6-(11-80X2/100 | | 19.9=9y-9 | | y-12=o | | 2n^2=84-2n | | 4(9s-7)=36s-28 | | 12x+2y=340 | | X/4-x/3=a/2 | | 2=3(4)+b | | 3p-2=-290 | | 1/2(64)(16)= | | 1/8c=-3 | | 1/3x(-0.1)=2 | | (X/7)-2=8 | | 5y-8+y+28=8y+20-6y | | 9-4x=3x/2 | | 3x+2=-46-5x |