What is the answer to 3|8s-400|-1=-1 ?

The answer to 3|8s-400|-1=-1 is s=50

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3|8s-400|-1=-1

3 ∣ 8 s - 400 ∣ - 1 = - 1

s = 50

Solution steps

3 ∣ 8 s - 400 ∣ - 1 = - 1

Add

1

to both sides

3 ∣ 8 s - 400 ∣ - 1 + 1 = - 1 + 1

Simplify

3 ∣ 8 s - 400 ∣ = 0

Divide both sides by

3

∣ 8 s - 400 ∣ = 0

Apply absolute rule: If

∣ u ∣ = 0

then

u = 0

8 s - 400 = 0

8 s - 400 = 0 : s = 50

s = 50

x = - ∣ 5 - 2 x ∣ - 3

∣ 8 x + 2 ∣ = 50

11 = ∣ v - 8 ∣

8 - 2 ∣ x - 4 ∣ = 3

x^{2} + 5 x - 5 = ∣ x + 1 ∣ + 3