What is the answer to |a|-3=8 ?

The answer to |a|-3=8 is a=-11\lor a=11

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|a|-3=8

∣ a ∣ - 3 = 8

a = - 11 or a = 11

Solution steps

∣ a ∣ - 3 = 8

Move

3

to the right side

∣ a ∣ = 11

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

a = - 11 or a = 11

∣ 2 x - 3 ∣ - 3 = 4 x^{4} x

∣ 8 - 5 v ∣ = 43

3 + 9 ∣ - 4 x - 9 ∣ = 75

- 2 ∣ y ∣ = 10

∣ 15 - x ∣ + 2 = 7