What is the answer to |v|-9=-4 ?

The answer to |v|-9=-4 is v=-5\lor v=5

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|v|-9=-4

∣ v ∣ - 9 = - 4

v = - 5 or v = 5

Solution steps

∣ v ∣ - 9 = - 4

Move

9

to the right side

∣ v ∣ = 5

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

v = - 5 or v = 5

∣ 2 x - 4 ∣ + \geq = 2

∣ 5 x - 3 ∣ = \frac{2}{3}

3 ∣ 6 c + 2 ∣ + 2 = 11

∣ 2 x - 7 ∣ + 1 = x

3 ∣ x + 1 ∣ + 9 = 6