What is the answer to 4|d|=10 ?

The answer to 4|d|=10 is d=-5/2 \lor d= 5/2

The solution is d=-5/2 \lor d= 5/2

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4|d|=10

4 ∣ d ∣ = 10

d = - \frac{5}{2} or d = \frac{5}{2}

Decimal Notation

d = - 2.5, d = 2.5

Solution steps

4 ∣ d ∣ = 10

Divide both sides by

4

∣ d ∣ = \frac{5}{2}

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

d = - \frac{5}{2} or d = \frac{5}{2}

3 ∣ v ∣ = 0

∣ x + 2 ∣ = - x + 2

b (x) = ∣ x + 3 ∣ + 3

- 3 ∣ x + 7 ∣ = - 12

∣ 8 y - 4 ∣ = 13