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w in (-oo:+oo)
w-10 = -10 // + 10
w-10+10 = 0
w = 0
w = 0
| 4=m+10 | | d/-3=-4 | | 14=k+3 | | 7=d+2 | | k+3=-5 | | 3+k=-8 | | 6+a=13 | | 2+m=8 | | -2=a+1 | | k/6=-5 | | 7+8b-12=3b-8+5b | | -9+d=-13 | | 7+w=-4 | | -10+b=-2 | | 2=d+8 | | k/3=-5 | | 5x=7y | | 13=t+1 | | -13=w-6 | | t-6=-2 | | m-3=-1 | | -7b=-21 | | 18=d+9 | | 9=k-3 | | 10+x=8 | | 20=t+8 | | 5=x+5 | | b/-3=-2 | | t+9=5 | | 7+b=2 | | -5a=-60 | | -9=w-4 |