How do you solve abs(3/4x - 6) = 9∣∣∣34x−6∣∣∣=9?

1 Answer
Sudip Sinha
Jul 28, 2015

x = -4, 20 x=−4,20

Explanation:

∣ 3/4 x − 6 ∣ = 9 ∣∣∣34x−6∣=9
=> 3/4 x − 6 = +- 9 ⇒34x−6=±9
=> (cancel(3) 1)/4 x = cancel(15)5, cancel(-3) -1 [Reason: 15 = +9 + 6, -3 = -9 + 6 ]
=> x = 20, -4

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