If it's not what You are looking for type in the equation solver your own equation and let us solve it.
F in (-oo:+oo)
F/(-5) < -12 // + 12
F/(-5)+12 < 0
12-1/5*F < 0 // - 12
-1/5*F < -12 // : -1/5
F > -12/(-1/5)
F > 60
F in (60:+oo)
(60:+oo)
| 42x^2-8x-32=-8 | | 2x-4/3x=-5 | | 8+6x+6=15x+5 | | 6c+7=c-13 | | 3-2x+7=4x-10-x | | (5,2),m=3/7 | | 15t^2+32t-70=0 | | 14x^2-30x-48=-4x | | 1.3n-0.03=-0 | | 4(x+4)-5=11 | | 7(8+2x)=42 | | -490=7(-7x+14) | | 1/2y-1=1/8y | | 8x-2x-64=116 | | -2cos^2x=-cosx-1 | | 7(8+22)=42 | | 2x^2=-32+16x | | 1/2y-1= | | 4x-4=-7(x+4) | | (n-5)(n-2)=0 | | 5000+25x-.001x^2=0 | | -8c^3-20c^2+50c-125=0 | | 26.95=8.95+1.50r | | -2x+7x-6=5(x-4)-2 | | 7r^2-9r+1=0 | | e^7x-7=3 | | 12+0.8+m-1= | | Zx-7y=49 | | -2x+2(3x+23)=-2 | | x-0.001x^2=-200 | | 9x-2-4x=28 | | (2x+16)(x+2)=144 |