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Question
Solve: `"3a"/4 + "a"/6 = 66`
Sum
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Solution
`"3a"/4 + "a"/6 = 66`
⇒ `("9a + 2a")/12 = 66`
⇒ `(9"a" + 2"a") = 66 xx 12`
⇒ 9a + 2a = 792
⇒ 11a = 792
⇒ a = `792/11 = 72`
⇒ a = 72
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