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Question
Solve: `1/2"m" + 3/4"m" - "m" = 2.5`
Solution
`1/2"m" + 3/4"m" - "m" = 2.5`
`1/2"m" + 3/4"m" - "m"/1 = 2.5`
⇒ `("2m + 3m - 4m")/4 = 2.5`
⇒ `(2"m" + 3"m" - 4"m")/4 = 4 xx 2.5`
⇒ 2m + 3m - 4m = 10
⇒ 5m - 4m = 10
⇒ m = 10
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