Question

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

Answer 1

`x = -4, 20`

Explanation:

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