What is the answer to 12|x|-1=3 ?

The answer to 12|x|-1=3 is x=-1/3 \lor x= 1/3

Solve for x: 12|x|-1=3

The solution is x=-1/3 \lor x= 1/3

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12 ∣ x ∣ - 1 = 3

x = - \frac{1}{3} or x = \frac{1}{3}

Decimal Notation

x = - 0.33333 \dots, x = 0.33333 \dots

Solution steps

12 ∣ x ∣ - 1 = 3

Move

1

to the right side

12 ∣ x ∣ = 4

Divide both sides by

12

∣ x ∣ = \frac{1}{3}

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

x = - \frac{1}{3} or x = \frac{1}{3}

(2 x^{2} + x) \geq 1

8 n \leq - 64

(x^{2} + x + 4)^{2} + 8 x (x^{2} + x + 4) + 15 x^{2}

20 x - 12 x y + 4 x z

102