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)
4120/x = 1030 // - 1030
4120/x-1030 = 0
4120*x^-1 = 1030 // : 4120
x^-1 = 1/4
-1 < 0
1/(x^1) = 1/4 // * x^1
1 = 1/4*x^1 // : 1/4
4 = x^1
x = 4
x = 4
| -4x+3=7 | | 16q-16=10q+2 | | 8z-9=3z+26 | | -2170/x=-434 | | 1.9x^2+2.3x-1=2 | | 7p-3=2p+22 | | -434/x=-2760 | | (2x-6)(3x-8)=0 | | 6x-20=-2y | | (x+10)(x-2)=0 | | 4x^2-7x+25=9x+10 | | 4-5x=2x-10-5x | | -158/x=79 | | 1/2x^2+4x+5 | | -4x^2+9x-9=0 | | 6t-12=2t+16 | | X+4=-18+3 | | 3.75a=3.9 | | 4(n+3)=5n-15 | | 6x+1=2(2x-1) | | 4s-4=2s+10 | | x^2-4x+8=9x-4 | | 2x/x2-4x | | (4x-5)(3x-5)=0 | | 3/6x+15 | | (3x-1)(2x+7)=0 | | 7x-11=2(2x-1) | | y-7/y3 | | 8/4x-12 | | (5/6)k=-20 | | 44450059688574932022933844757:3249305894758= | | n+5(n-2)=7 |