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b in (-oo:+oo)
4/35 = b-(2/7) // - b-(2/7)
4/35-b+2/7 = 0
2/5-b = 0 // - 2/5
-b = -2/5 // * -1
b = 2/5
b = 2/5
| 1+m=1/3 | | x+10=29/3 | | n-8/9=-44/9 | | d+3/5=67/45 | | n-8/9=19/9 | | k+4/9=56/45 | | b+7/10=77/10 | | n/2=4/7 | | t/4=-4/5 | | 5+m=0 | | 46/5=b-4/5 | | b-4=-11/3 | | x/5+4=7 | | m-10=-75/8 | | a-1/5=13/60 | | n/2=5 | | -1+n=-3/2 | | n/-6=5 | | k/7=6/7 | | b+5=16 | | 4/5+a=17/15 | | w/7=5/7 | | n+1=5/3 | | n+9/10=119/110 | | 3a=3/2 | | 10+k=101/11 | | b-1/5=14/5 | | w/3=-5 | | -1+n=-14/9 | | d+4=16 | | 50/11=m+5 | | t+5/8=29/72 |