If it's not what You are looking for type in the equation solver your own equation and let us solve it.
d in (-oo:+oo)
d/3 > 4 // - 4
d/3-4 > 0
1/3*d-4 > 0 // + 4
1/3*d > 4 // : 1/3
d > 4/1/3
d > 12
d in (12:+oo)
(12:+oo)
| (5v+9)(7-v)=0 | | x-7*2=0 | | 5+4x-2x=5 | | 3.5x+4=4.3 | | 26-17= | | 7(x-8)=7(x+3) | | 3x+4=4x-4 | | U/2-3=6 | | q^2+160q-8000=0 | | 2x+4x+4=12 | | 17x+14y=21z | | u+-4=9 | | 2(x+3)=9x+2-7x+4 | | z+(-29)=-96 | | -10f=9-9f | | x+(x+.3)=200000000 | | 3x^2+2x=-5x+20 | | 4x(3x^2-2x+6)= | | 17x*14x=1247 | | 5-1/3x=14 | | -4b=-5b-6 | | 7x^2=9-4x | | 6=r+2 | | 49y^2-25x^2= | | -3(12+-2.3y)+3y=-6 | | .5x^2-1x-.5=0 | | 4(13-1.5y)= | | 3t^2+16t+5= | | 3c=5-2c | | 12+r=47 | | 9(2x-1)-17x=9 | | -15.3=-7.5k |