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Question
Solve: `"x"/2 + "x"/5 = 14`
Solution
`"x"/2 + "x"/5 = 14`
⇒ `("5x + 2x")/10 = 14`
⇒ 5x + 2x = 14 × 10
⇒ 5x + 2x = 140
⇒ 7x = 140
⇒ x = `140/7 = 20`
∴ x = 20
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