If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
(6.6742*10^-11*x)/(10000^2) = 9.81 // - 9.81
(6.6742*10^-11*x)/(10000^2)-9.81 = 0
-9.81 = 0
x belongs to the empty set
x belongs to the empty set
| -2x^3+3x=0 | | -1(-y+5)+4y=20 | | 4x+8-9x=17-15x+10x-9 | | W+W+3W-12+3W-12=640 | | 71=y^2-1*y | | 49-4a^2= | | (x+5)/6=(x+6)/7 | | 140+40+85+d+e=360 | | m=2(195)-37 | | m=2(144)-40 | | m=2(144-40) | | 8x-12-5x=3x+12 | | 5*-2x=3 | | m=2(p-40) | | 1/5p=25 | | m=2p-40 | | (-2x+16)-4x=-26 | | 62-7x=20x+17 | | 4n^3(1/4n)^4 | | 8x+4(5-(3x-2))= | | 5-8x=150-43x | | 4a-8=3a+4 | | p+p+35+2p-37=778 | | 5*47/12 | | 1/5+1/7= | | 8c+7-7c-4= | | y=-18+10x | | 5d+8c-4c+7= | | 1OY-2=2Y-26 | | 3x+8+x=2x-9+13 | | 143-3x=42+18 | | 36x^2-25x+4/3 |