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d in (-oo:+oo)
d+8 = -4 // + 4
d+4+8 = 0
d+12 = 0 // - 12
d = -12
d = -12
| k+8/9=17/9 | | a+1=12 | | 4n-3(n-9)=4+2n | | 1=d+1/3 | | a-3=-19/5 | | 10+k=16 | | 3/4+b=-5/4 | | 6w=3/5 | | d-7=-71/11 | | -6/7k=24/7 | | 2(x^2-4x+8)=38 | | a+9=77/8 | | 1/2d=1/2 | | 5/6m=25/3 | | m+5/8=-3/8 | | 5/7k=40/63 | | d+5=31/6 | | x-1/8=11/24 | | d-7=-19 | | -5/9+a=-35/36 | | w/6=4 | | 11/2=x+5 | | k/7=4 | | 7k=63/10 | | 7x-9=4x+15 | | 1/2d=-3/2 | | n-7=-70/11 | | m-1=6 | | m+2/3=13/15 | | w+5/9=-31/90 | | k+2=12/11 | | d+8=51/7 |