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a in (-oo:+oo)
a-2 = 8 // - 8
a-8-2 = 0
a-10 = 0 // + 10
a = 10
a = 10
| -n=-8 | | 4=d-4 | | a+8=95/11 | | 5+t=10 | | -1/3k=-2/3 | | x^2+7-5+4=y | | 5=17-6k | | a-5=-41/9 | | k-1/3=-10/3 | | 3/4w=9/2 | | t/-3=-7 | | a-2/5=33/5 | | 12=7x-16 | | 2+b=-10 | | a+8=107/12 | | 5/6k=-15/2 | | 5/8+m=15/88 | | 3/7b=27/77 | | 19/5=x+3 | | 1/3+a=2/15 | | 12-3t=7 | | -7d=21/8 | | w/2=-1/5 | | k-7/9=-1/9 | | 8-2k=5 | | k+4=55/12 | | 1+x=9/7 | | 4-7f=11 | | 7n=28/5 | | 5/7m=5/21 | | 10+m=91/10 | | 15=b+8 |