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Is r=9 r = 9 a solution to this equation?\newline38=r+6 38 = r + 6 \newlineChoices:\newline(A)yes\newline(B)no

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Full solution

Q. Is r=9 r = 9 a solution to this equation?\newline38=r+6 38 = r + 6 \newlineChoices:\newline(A)yes\newline(B)no
  1. Substitute value into equation: We are given r=9r = 9. Let's substitute the value of rr into the equation 38=r+638 = r + 6.\newline38=9+638 = 9 + 6
  2. Perform addition: Now, let's perform the addition on the right side of the equation. 9+6=159 + 6 = 15
  3. Compare sum to left side: After calculating the sum, we compare it to the left side of the equation. 38=1538 = 15
  4. Verify solution: We see that 3838 does not equal 1515, which means that r=9r = 9 is not a solution to the equation 38=r+638 = r + 6.

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