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m in (-oo:+oo)
m+4 = 4 // - 4
m-4+4 = 0
m = 0
m = 0
| d+5=-6 | | x=25+-2y | | -1=b-10 | | 3+n=-2 | | -3t=0 | | 7=m+6 | | m-6=-6 | | -5b=-35 | | -4w=-40 | | 18=x+6 | | 4m=8 | | d+2=-3 | | d+9=10 | | 6n=-36 | | d+2=13 | | -4=k-6 | | -2+b=2 | | 1/2x+6=8 | | 12=w+3 | | 6d+10=2d-10 | | m+10=8 | | w+7=-2 | | a-6=5 | | 7=w+7 | | k+5=10 | | k+10=17 | | a/3=-4 | | 11=t+8 | | d/-6=5 | | 7=n+7 | | d+10=-1 | | 2x-6/5=4 |