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k in (-oo:+oo)
5*k-2 = -52 // + 52
5*k-2+52 = 0
5*k+50 = 0 // - 50
5*k = -50 // : 5
k = -50/5
k = -10
k = -10
| -10+5k=40 | | -7x+2=-61 | | -2-7d=33 | | 1-6x=-11 | | 5k+8=23 | | -5m-5=-30 | | -3n-7=-40 | | -4+3t=-4 | | 8-2a=-6 | | 6+5b=-54 | | -6t+6=54 | | -4+7t=38 | | -8+3k=-14 | | -3+7x=25 | | -7m+6=48 | | 4a+10=30 | | 3a-10=23 | | 4m-1=35 | | -3+2a=-7 | | -7+2k=13 | | 3+2w=3 | | 9-7t=37 | | 5a-6=49 | | 5+5w=35 | | -9+4b=7 | | 5b+3=-2 | | 4n+4=52 | | -4k+3=-45 | | -5+2n=-15 | | 7k+5=61 | | -4b-5=23 | | 3b+5=35 |