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)
11/x+25/x = 4 // - 4
11/x+25/x-4 = 0
36*x^-1 = 4 // : 36
x^-1 = 1/9
-1 < 0
1/(x^1) = 1/9 // * x^1
1 = 1/9*x^1 // : 1/9
9 = x^1
x = 9
x = 9
| 11-5p=31-2p | | -4(5s+5)+4(s-2)= | | 11-5p=3-9p | | 7(5g+8)2=98 | | 1/2+6/x=5/4 | | 7k-9=3k-8k | | -4(2q+6)+3(q-5)= | | 9d+5=2d+68 | | 7u(2)=3u | | 4x+7=y | | 5(x-7)=-27.5 | | -4(5m+5)+6(m-6)= | | 3x+30=2x+10 | | 6k/8 | | 3(a+5)=26.7 | | 26.6=8c-3 | | 5a-6=19a-2a | | y=-2x+0 | | 2x+10=3x+30 | | 8e-3=42.6 | | -47+23=-2x+8x | | 6p=49.2 | | -1.6=-0.7u+0.5u | | (3x-4)(3x+4)=9x^2-16 | | 2x+7=-3y | | y=2(-1)-8 | | 1/2(5x-9)=4 | | 54=12y-3y | | 3(a+6)=30 | | 3a-7a=8a-12 | | 2cos^2x-senx=0 | | pt=3x+5 |