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1997 AMC 12 Question 28

AMC12 · 1997 AMC 12

Question 28

How many ordered triples of integers $(a,b,c)$ satisfy $$
\begin{aligned} |a+b|+c&=19,\\ ab+|c|&=97? \end{aligned}
$$
  1. $0$
  2. $4$
  3. $6$
  4. $10$
  5. $12$