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n in (-oo:+oo)
14 = n+3 // - n+3
14-n-3 = 0
11-n = 0 // - 11
-n = -11 // * -1
n = 11
n = 11
| -6d=-18 | | d+8=5 | | x+2.1/11x+12=x+2.1/12x+11 | | 3t=30 | | -5w=30 | | a+7=5 | | b-1=-5 | | 2=d-10 | | 1+d=3 | | -7k=56 | | 6+b=6 | | 8+t=11 | | -4m=44 | | k+3=10 | | 2=a-4 | | a/-2=-6 | | m+3=-8 | | -6d=-48 | | x=21x-7 | | -9+x=-14 | | 8+w=13 | | w-1=-4 | | 8+b=10 | | 5+n=11 | | 15=t+5 | | w/-3=7 | | t+7=-3 | | -1+k=6 | | b-8=-20 | | b-8=-7 | | w+10=18 | | -8=t-8 |