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What value of aa is a solution to this equation?\newlinea7=4a - 7 = 4\newlineChoices:\newline(A) a=10a = 10\newline(B) a=11a = 11

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Q. What value of aa is a solution to this equation?\newlinea7=4a - 7 = 4\newlineChoices:\newline(A) a=10a = 10\newline(B) a=11a = 11
  1. Isolate 'a' in equation: Step 11: Start by isolating 'a' in the equation.\newlineGiven equation: a7=4a - 7 = 4.\newlineAdd 77 to both sides to isolate 'a':\newlinea7+7=4+7a - 7 + 7 = 4 + 7,\newlinea=11a = 11.
  2. Check solution by substitution: Step 22: Check the solution by substituting aa back into the original equation.\newlineSubstitute a=11a = 11 into a7=4a - 7 = 4:\newline117=411 - 7 = 4,\newline4=44 = 4, which is correct.

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