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)
16/20 = 24/x // - 24/x
16/20-(24/x) = 0
16/20-24*x^-1 = 0
-24*x^-1 = -4/5 // : -24
x^-1 = 1/30
-1 < 0
1/(x^1) = 1/30 // * x^1
1 = 1/30*x^1 // : 1/30
30 = x^1
x = 30
x = 30
| -2(x+3)-x-4=-3x-12+2 | | ax+b+x=cforx | | t+7=22 | | ax+b+x=c | | 6(3x-(6-5y+4x)+4y)= | | 6x^3+3x+3=0 | | 19.3=8525000/x | | =12.347 | | 7x+20=4x+11 | | 7y+4y+6y=24 | | (4)(-9)= | | D=8/7(m-34) | | 42=8m-16 | | x-2.25=12.347 | | 14x-117=8x-75 | | 4x-15=3+x | | 0=x^2-8x-12 | | 8525000*19.3=x | | 5(9a-9)= | | -5x+23=-3x+13 | | y+5(2)=8 | | 5x+7=13x | | x+5.3=8.2 | | y+5(0)=8 | | 4(x+1)-7x=6+5-2 | | T/4-7=-9 | | D=8/5(m-52) | | 1+4(X+5)=0 | | -8-12a+6b+7a-7-7b= | | 2=2-t/7 | | -(n-6)-8=-(1n) | | 4.2-1.8a=2.5a |