Q5 of 51 Page 6

Solve 4x + 3 < 6x + 7


4x + 3 < 6x + 7

⇒ 4x + 3 – 3 < 6x + 7 – 3

⇒ 4x < 6x + 4

⇒ 4x – 6x < 6x – 6x + 4 (Rule 1)

⇒ –2x < 4

⇒ < (Rule 2)

⇒ x < –2.

Solution set = (–2, ∞ ).

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