i was running in a marathon i was in last place then i oveer toke the second place runner what place am i now?
2 answers:
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a-3b=7
a=7+3b
a+b=87
(7+3b)+b=87
7+4b=87
4b=87-7
4b=80
b=20
a=7+3b
a=7+3*20
a=7+60
a=67
a-3b=7
a=7+3b
a+b=87
(7+3b)+b=87
7+4b=87
4b=87-7
4b=80
b=20
a=7+3b
a=7+3*20
a=7+60
a=67
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