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)
(2/7)*f = -17 // + 17
(2/7)*f+17 = 0
2/7*f+17 = 0 // - 17
2/7*f = -17 // : 2/7
f = -17/2/7
f = -119/2
f = -119/2
| e^2x+5=2 | | 1650=25(p+30) | | 14-4y=2y+2 | | a=v-v/t | | y/2=3/x | | 8x+2.6=8x+13.8 | | 90+x-3+x=180 | | X=5-4+2 | | 180=2x+122 | | 3(x+8)+3x=5(x+2)-4x+9 | | 2n^2-17n+21=0 | | 3(5b+15)= | | 0.05(x+300)+0.03x=759 | | 7(x-4)+2=-(x-6) | | -12-9x=-5x | | 3x+4=9+10 | | 12=(-4/5)v | | 7k^2+2=0 | | 6x^2-3x+1X=-2 | | e^2x-3=11 | | 2y-6x=-14 | | 2n-2=22 | | t^2+2t+1=9 | | 6x+4(x+9)=62 | | 4-5n=21 | | -6(k-2)=36 | | (D+1)(D^2+5D+6)y(t)=(5D+9)f(t) | | X-8.1=13.7 | | -6y+32=-100 | | 4(2x-1)=5(4x+4) | | 8[3n+5]=-32 | | x^2+100y^2-100=0 |