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a in (-oo:+oo)
a-5 = -16 // + 16
a-5+16 = 0
a+11 = 0 // - 11
a = -11
a = -11
| 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 | | d/-3=-4 | | 14=k+3 | | 7=d+2 | | k+3=-5 | | 3+k=-8 | | 6+a=13 | | 2+m=8 | | -2=a+1 | | k/6=-5 | | 7+8b-12=3b-8+5b |