If it's not what You are looking for type in the equation solver your own equation and let us solve it.
w in (-oo:+oo)
4-(7*w) = -17 // + 17
4-(7*w)+17 = 0
4-7*w+17 = 0
21-7*w = 0 // - 21
-7*w = -21 // : -7
w = -21/(-7)
w = 3
w = 3
| 8-6m=2 | | 3+2d=13 | | 7b-1=62 | | 6w+5=35 | | -10+5n=15 | | 3+3a=33 | | 6x+2y=3 | | -4-3a=-34 | | 6a-1=23 | | 6b+10=82 | | 7m-7=49 | | 5a+1=31 | | -8+5m=12 | | -8+4d=-20 | | 3d+3=15 | | 2a-7=-1 | | -7a-8=76 | | 4d+1=-27 | | 5+7x=54 | | -4+5x=-49 | | -1+4m=15 | | -4w-3=-11 | | 2+5b=7 | | -6t-3=-27 | | -3w+3=-9 | | -4+4m=4 | | -5k+4=29 | | 5k-6=-61 | | 2+6k=2 | | 2d-4=0 | | 16x^2+16=0 | | -7-4b=29 |