What is the answer to 2|d|+3=5 ?

The answer to 2|d|+3=5 is d=-1\lor d=1

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2|d|+3=5

2 ∣ d ∣ + 3 = 5

d = - 1 or d = 1

Solution steps

2 ∣ d ∣ + 3 = 5

Move

3

to the right side

2 ∣ d ∣ = 2

Divide both sides by

2

∣ d ∣ = 1

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

d = - 1 or d = 1

x^{2} - 2 x = 12

∣ x + 3 ∣ = 2 x - 7

∣ x - 5 ∣ = 2 x - 1

∣ - 4 b + 8 ∣ = 4444

y + \frac{1}{4} = - 6