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)
5/3 = 4/x // - 4/x
5/3-(4/x) = 0
5/3-4*x^-1 = 0
-4*x^-1 = -5/3 // : -4
x^-1 = 5/12
-1 < 0
1/(x^1) = 5/12 // * x^1
1 = 5/12*x^1 // : 5/12
12/5 = x^1
x = 12/5
x = 12/5
| R-11=27 | | log(x+2)=0 | | -17+x=19 | | 4v^9x^8*4x^2*2v= | | 19x-(9x-4)=34 | | 4(x-3)+14=7-9 | | 17=v/2 | | 4(x+7x+y)/8 | | t-13=-35 | | r=(1800-20x)(75+1x) | | 3x-(2-x)=2x-7 | | 9(y-8)/5=-4y | | r=(100-20x)(75+1x) | | 5y-4(-7z+6y)-3z= | | x^3-6x^2+x-6=x^2+1 | | -(-5-6x)=7+4x-9 | | 7w-6(2x-w)+4x= | | 5(2x+6)-2=7(x+4) | | 2(5-a)=5a+3 | | 4-5ln(5+6x)=-21 | | -2(-3x-4y)-6(-5y-x)= | | 19X-(7X-5)=29 | | 2u+4u=42 | | 5(y-7)/3=-3y | | 7+m=8 | | 19x+8=14x+53 | | 9[z-3]=12z | | 5y-35/3=-3y | | 3(z+1)=-(2+13) | | -0.50x-0.20(40+x)=-0.05(40) | | -5w-4(-4x+5w)-2x= | | n+n+2=118 |