Answer:
(-∞ , 4/3)
Explanation:
5 − 9x > -7
⇒ -5 + 5 − 9x > −5 + -7 (add 5 to both sides)
⇒ − 9x > −12
⇒ x < 12/9 (multiply Botha side so by -1/9)
⇒ x < 4/3
⇒ x ∈ (-∞ , 4/3)
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