What is the answer to |2-1/3 y|=9 ?

The answer to |2-1/3 y|=9 is y=-21\lor y=33

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|2-1/3 y|=9

2 - \frac{1}{3} y = 9

y = - 21 or y = 33

Solution steps

2 - \frac{1}{3} y = 9

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

2 - \frac{1}{3} y = - 9 or 2 - \frac{1}{3} y = 9

2 - \frac{1}{3} y = - 9 or 2 - \frac{1}{3} y = 9

y = - 21 or y = 33

2 ∣ x + 4 ∣ = 14

- ∣ - a ∣ = 11

∣ 0.4 + m ∣ = 110.25

17 = ∣ d + 2 ∣

- 8 = - 3 ∣ x - 1 ∣ - 5