What is the answer to -8|90-9u|=0 ?

The answer to -8|90-9u|=0 is u=10

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-8|90-9u|=0

- 8 ∣ 90 - 9 u ∣ = 0

u = 10

Solution steps

- 8 ∣ 90 - 9 u ∣ = 0

Divide both sides by

- 8

∣ 90 - 9 u ∣ = 0

Apply absolute rule: If

∣ u ∣ = 0

then

u = 0

90 - 9 u = 0

90 - 9 u = 0 : u = 10

u = 10

8 \frac{m}{4} = 18

- 9 + ∣ 6 + n ∣ = 4

∣ 2 x - 1 ∣ - 10 = 3

∣ - 6 n - 5 ∣ = 41

∣ 2 r + 5 ∣ = ∣ 7 r - 32 ∣