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Sum

If the replacement set is the set of natural numbers, solve: 3x - 4 > 6

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#### Solution

3x – 4 > 6

3x – 4 + 4 > 6 + 4 (Adding 4)

⇒ 3x > 10

`"3x"/3 > 10/3` ...(Dividing by 3)

⇒ x > `10/3`

⇒ x > `3 1/3`

Required answer = { 4, 5, 6, …}

Concept: Replacement Set and Solution Set

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