If it's not what You are looking for type in the equation solver your own equation and let us solve it.
z in (-oo:+oo)
z > -11/7 // + -11/7
z-(-11/7) > 0
z+11/7 > 0
z+11/7 > 0 // - 11/7
z > -11/7
z in (-11/7:+oo)
(-11/7:+oo)
| -5x^2+80x+285=0 | | y=10/3x=21 | | 3.8x+5.2x-6.7= | | t+35=58 | | 4+7f=18 | | 8192/8000 | | f^3=240 | | 20x^3+15x+2=0 | | 5.2x-6.7= | | 8x+1+4x+11= | | 147-9= | | 15x+42=0 | | y=bx+1 | | x-5/2=x-1/-3 | | x-0.0064=0 | | y=13x-26 | | x-0.08=0 | | (u-3)(u-6)= | | N/3-2=0 | | 4x^2-2(2+x+2x)=8-x+2x^2 | | 6=x/4-14 | | =-3r+5 | | 2f^3-240=0 | | 7b-15=5b-13 | | 34-5x+2(2-x)=15 | | 871+934= | | 16m^2+40mn+25n^2=0 | | A/15=6.8 | | x^-3/x^7 | | 9*3-9*63-4= | | x-.1056=0 | | 9x-3=312 |