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1957 AMC 12 Question 33

AMC12 · 1957 AMC 12

Question 33

If $9^{x+2}=240+9^x,$ then the value of $x$ is:
  1. $0.1$
  2. $0.2$
  3. $0.3$
  4. $0.4$
  5. $0.5$