Q12 of 51 Page 6

Solve


[Multiply both sides by 30]

⇒ 3(3x + 20) ≥ 10(x – 6)

⇒ 9x + 60 ≥ 10x - 60

⇒ 9x + 60 – 60 ≥ 10x – 60 – 60 (Rule 1)

⇒ 9x ≥ 10x - 120

⇒ 9x – 10x ≥ 10x – 120 – 10x (Rule 1)

⇒ - x ≥ -120

⇒ x ≤ 120 (Rule 2)

Solution set = (-∞ , 120).

More from this chapter

All 51 →