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k in (-oo:+oo)
0 = k+3 // - k+3
0-k-3 = 0
-k-3 = 0
-k-3 = 0 // + 3
-k = 3 // * -1
k = -3
k = -3
| d/7=-6 | | 6=d+6 | | t+2=-3 | | b-10=-10 | | 0=b+3 | | t+7=15 | | t-7=-5 | | 17=t+7 | | 8+b=6 | | a-5=-16 | | k/5=-5 | | m+8=4 | | m+9=10 | | d/-3=4 | | n-2=-11 | | b/4=-2 | | t-8=-7 | | 10+t=4 | | 2t=-6 | | k+8=5 | | 2+m=2 | | 13=n+10 | | a/-6=-6 | | m/7=6 | | 13=k+1 | | 1.2x=11.4y | | 1.2x=11 | | 16=w+8 | | k/-2=6 | | -7x=77 | | w-10=-10 | | 4=m+10 |