What is the answer to |-4x|=3 ?

The answer to |-4x|=3 is x=-3/4 \lor x= 3/4

The solution is x=-3/4 \lor x= 3/4

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|-4x|=3

∣ - 4 x ∣ = 3

x = - \frac{3}{4} or x = \frac{3}{4}

Decimal

x = - 0.75, x = 0.75

Solution steps

∣ - 4 x ∣ = 3

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

- 4 x = - 3 or - 4 x = 3

- 4 x = - 3 or - 4 x = 3

x = - \frac{3}{4} or x = \frac{3}{4}

∣ r - 6 ∣ = 32

∣ X + 5 ∣ - 3 = 1

∣ 5 x - 3 ∣ - 6 = - 2 x + 12

∣ 0.6 - 0.4 y ∣ = 2

∣ 9 x + 4 ∣ = 8