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k in (-oo:+oo)
-5/7 = k-k-(5/7) // - k-k-(5/7)
k-k-5/7+5/7 = 0
0 = 0
k naleu017Cy do R
k in (-oo:+oo)
| -3/7+k-2/3k=-3/7 | | 5/6x+1/2+1/2x=83/6 | | 6/7w+3/4+5w=1543/308 | | k+3-2/3k=67/24 | | -1/7-5a+7a=153/7 | | -9-k+1/3k=-17 | | x^2/7=2x-7 | | 6/7t+1/7-2/3t=19/77 | | 5+5/6d+5d=75 | | 2/7w-1+w=-115/7 | | 6m+1+7m=-103 | | 1/2n+10+n=35/2 | | 7t+7/8+5t=-787/88 | | 4x+9=8x+13 | | -5w-6-3w=-94 | | -282/5=4/5m-6m+6 | | -4/5k-4/7+2/5k=-82/315 | | 3/4-1/2w+6w=16/3 | | -1/3x+7+3x=16/3 | | 7/8=3b+6b+7/8 | | a+2/3+3a=14/3 | | 4n-5/6+3n=289/6 | | 5+7t+t=103/11 | | -1/2b+8/9+4/7b=374/441 | | -1/3+2/3k-2k=-5/3 | | 1/3k-2/9-5k=-2/9 | | 2/3k-1/2-k=-17/6 | | 1/2d+1/2-5d=11/4 | | -6/7d-6+2/3d=-204/35 | | 10+1/3m+3m=310/33 | | 45/56=2w-7w-5/8 | | 5+5k-k=-7 |