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Is d=12d = 12 a solution to this equation?\newline 84=7d84 = 7d\newlineChoices:\newline(A) yes\newline(B) no

Full solution

Q. Is d=12d = 12 a solution to this equation?\newline 84=7d84 = 7d\newlineChoices:\newline(A) yes\newline(B) no
  1. Substitute value of d: Step 11: Substitute the value of dd into the equation.\newlineCalculation: 7d=7×127d = 7 \times 12\newline7×12=847 \times 12 = 84
  2. Compare with left side: Step 22: Compare the result with the left side of the equation. 84=8484 = 84