What is the answer to -16=-4|-h| ?

The answer to -16=-4|-h| is h=-4\lor h=4

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-16=-4|-h|

- 16 = - 4 ∣ - h ∣

h = - 4 or h = 4

Solution steps

- 16 = - 4 ∣ - h ∣

Switch sides

- 4 ∣ - h ∣ = - 16

Divide both sides by

- 4

∣ - h ∣ = 4

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

- h = - 4 or - h = 4

- h = - 4 or - h = 4

h = - 4 or h = 4

- 9 + 2 ∣ 6 x + 2 ∣ = - 7

2 ∣ 4 x - 1 ∣ = x + 1

∣ 6 - x ∣ = 5

∣ 6 - x ∣ = 4

∣ 6 - x ∣ = 2