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a in (-oo:+oo)
-61/40 = a-(9/10) // - a-(9/10)
9/10-a-61/40 = 0
-a-5/8 = 0 // + 5/8
-a = 5/8 // * -1
a = -5/8
a = -5/8
| a-3=-5/2 | | a-6=-48/7 | | w+5=-2 | | 1/3m=-1/9 | | 17/3=w+2/3 | | a-6=-16/3 | | b-7=-53/8 | | 2t=1/2 | | 3/7a=3/7 | | 17/5=t+2/5 | | 6x-2-3(x-4)=13 | | a/5=7 | | m+1/3=-5/12 | | 7+k=6 | | 3/4x+7=16 | | 2=n+3 | | 5x-1=14-91 | | -2/5d=1/10 | | 17/2=x+1/2 | | 1/3+a=16/3 | | d/4=-1 | | k-5=-8 | | 3/5+d=11/10 | | n+6/7=90/7 | | 3b=6 | | 7/10=x-1/10 | | d/2=5/7 | | -4/5k=-16/5 | | t+2=25/11 | | 6x+7=3+4x-4x-7 | | -6a=0 | | -1/18=n-8/9 |