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Is r=1 r = 1 a solution to this equation?\newline9=9r 9 = 9r \newlineChoices:\newline(A)yes\newline(B)no

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Full solution

Q. Is r=1 r = 1 a solution to this equation?\newline9=9r 9 = 9r \newlineChoices:\newline(A)yes\newline(B)no
  1. Substitute r=1r = 1: Step 11: Substitute r=1r = 1 into the equation 9=9r9 = 9r.\newlineCalculation: 9=9×19 = 9 \times 1\newlineResult: 9=99 = 9
  2. Compare the results: Step 22: Compare the results.\newlineSince both sides of the equation are equal 9=99 = 9, r=1r = 1 is a solution to the equation.

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