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Question
Solve: `"x"/2 + "x" = 9`
Solution
`"x"/2 + "x" = 9`
`"x"/2 + "x"/1 = 9`
`("x + 2x")/2 = 9`
⇒ x + 2x = 2 × 9
⇒ 3x = 18
⇒ x = `18/3 = 6`
∴ x = 6
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