What is the answer to |-8y|=18 ?

The answer to |-8y|=18 is y=-9/4 \lor y= 9/4

Solve for y: |-8y|=18

The solution is y=-9/4 \lor y= 9/4

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∣ - 8 y ∣ = 18

y = - \frac{9}{4} or y = \frac{9}{4}

Decimal Notation

y = - 2.25, y = 2.25

Solution steps

∣ - 8 y ∣ = 18

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

- 8 y = - 18 or - 8 y = 18

- 8 y = - 18 or - 8 y = 18

y = - \frac{9}{4} or y = \frac{9}{4}

- 3 ∣ 5 x + 6 ∣ = - 6

∣ 18 x - 4 ∣ = 20

- 8 ∣ w + 9 ∣ = - 8

9 ∣ - 7 k ∣ = 630

- 3 ∣ x + 1 ∣ = - 6