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)
2.4/x = 4/1 // - 4/1
2.4/x-(4/1) = 0
2.4/x-4 = 0
2.4*x^-1 = 4 // : 2.4
x^-1 = 1.66666667
-1 < 0
1/(x^1) = 1.66666667 // * x^1
1 = 1.66666667*x^1 // : 1.66666667
0.6 = x^1
x = 0.6
x = 0.6
| x+87=129 | | -8(3b-7)=-4-2(b+3) | | -2x+7+3x=4+x+3 | | -8(1+8x)=-8(x+7)-8x | | 5=20+x | | 9-2x+5t= | | 11-5(6x-6)=-4 | | 3b+(-6)=3 | | X/2.4=4/1 | | 8-6a=-2a+24 | | 16b=3 | | N*16=4 | | 8a-2=6a-3 | | 325/715 | | 8/0.25=32/y | | 2x-4+8x=5(6x-2)+2 | | x^2+4xy+3y^2-240=0 | | 4n+15n-3500=n | | 25b^3-144b=0 | | 21/8*5/9= | | 5(x-2)+1=7x | | 5+-4=-6 | | 200m-125m+42750=45225-150m | | 3t+5t+7t= | | -7t=4.9 | | H/9=6/72 | | -3d+8=11 | | (k+1)x^2+(k+8)x+10=0 | | 21/8x5/6 | | 2c+5=c+4 | | 12-2(4x-3)=-8x+12 | | 1/5-2/15 |