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n in (-oo:+oo)
n-n+7 = 7 // - 7
n-n-7+7 = 0
0 = 0
n naleu017Cy do R
n in (-oo:+oo)
| 4k+1/5+3k=38/15 | | 1/9-2d-d=-215/9 | | 45=4k+2k-9 | | 5n+2/9+1/2n=-281/72 | | 1+d-1/2d=5/2 | | 15=n+6n+1 | | -x-3-5/6x=-53/3 | | -6n-1/2-3/7n=983/14 | | 16/3=-2/3d-4/5d-2 | | 1/5m+7+4m=14/5 | | (5(1-3x)/2)+10x=0 | | 2/9-5w-5/6w=113/36 | | 2/9+3d+4d=113/36 | | -t+9-4t=-1 | | 8x+5y=-19 | | 2t+5+2/3t=29/9 | | -107/18=-1/2a+6a-4/9 | | 1+n+7n=-9/7 | | -31/21=3b-b-1/7 | | 5d+1+2/5d=248/5 | | 7x+4+5/7x=46/7 | | -41/7=4/7n+1/3n+5 | | -37/5=-2/5m+m-4/5 | | 10-2/3b+1/7b=29/3 | | -3/8-7n+1/5n=-577/88 | | 1/2x-2+x=-11/4 | | 5w-3-5/6w=-73/66 | | -5t+10+3/7t=422/7 | | 1/2-2n-n=-1/2 | | (4x^2)+16x=0 | | 1/2-3/5w+4w=413/10 | | x/4=(x/6)+1 |