What is the answer to -20=-|4g| ?

The answer to -20=-|4g| is g=-5\lor g=5

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-20=-|4g|

- 20 = - ∣ 4 g ∣

g = - 5 or g = 5

Solution steps

- 20 = - ∣ 4 g ∣

Move

∣ 4 g ∣

to the left side

- 20 + ∣ 4 g ∣ = 0

Move

20

to the right side

∣ 4 g ∣ = 20

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

4 g = - 20 or 4 g = 20

4 g = - 20 or 4 g = 20

g = - 5 or g = 5

∣ 4 x + 5 ∣ - 5 = 15

- ∣ - 3 x ∣ = 19

∣ x - 3 ∣ = x + 3

∣ x - 3 ∣ = x + 2

∣ 5 x - 10 ∣ = 0