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t in (-oo:+oo)
t-9 = -9 // + 9
t-9+9 = 0
t = 0
t = 0
| b+2=10 | | 7d=-84 | | 13x=ln(1.5) | | a+5=6 | | m/-5=4 | | 7+a=9 | | 3+t=11 | | -2+d=-1 | | 13x=In(1.5) | | a/7=6 | | 6b=-60 | | -6=a+5 | | a/-2=5 | | 10=n+8 | | n+9=6 | | a+8=0 | | b-2=-13 | | -2b=-20 | | 4m=40 | | d/6=4 | | d-2=0 | | -1=x+7 | | x-2(x-1)=4 | | t-5=-6 | | 9=b+9 | | w+9=-1 | | -5w=-20 | | -4a=-12 | | k+2=-9 | | -10+t=-1 | | b+9=6 | | b+7=13 |