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)
4/35 = x/280 // - x/280
4/35-(x/280) = 0
4/35-1/280*x = 0 // - 4/35
-1/280*x = -4/35 // : -1/280
x = -4/35/(-1/280)
x = 32
x = 32
| 50(x+3x+2x)=2100 | | x+12=4x-21 | | 4-1/6x | | 19=11-.6x | | -(9-x)=4 | | (1.5m+3)-5=2 | | 5(4+3)=54+53 | | X/8-4+5=77 | | 2/3X-10=110 | | -15+3x-7x=43 | | 6y+6x=0 | | 1/2x-9=4x+5 | | 3(6+4x)=78 | | 6-3=-10n-18+12n+15 | | 1c+14c=67 | | 4+12=171 | | 6b-19=8b | | X*112/2=392 | | 3*n=n+4+8-1/2 | | -2[2p-4]-6P-3= | | -18.6+(-45.2)= | | -7(7-3n)=36+4n | | -2.3-(-4.2)= | | 6x-20=5x-20 | | 4y/5=9/3 | | 532/x+3=79 | | 4c-(5)+14c=67 | | (X-2)(2x^2-3x-2)= | | 5.4x+3.2=14 | | -5x-14=3x+10 | | 1.5x+3.6=15.6 | | 16/17*-3/4 |