What is the answer to 2|x|=2 ?

The answer to 2|x|=2 is x=-1\lor x=1

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2|x|=2

2 ∣ x ∣ = 2

x = - 1 or x = 1

Solution steps

2 ∣ x ∣ = 2

Divide both sides by

2

∣ x ∣ = 1

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

x = - 1 or x = 1

\frac{x - 2}{x + 5} > 0

- \frac{1}{2} (- 3)

2 x^{2} + 6 = x

x^{2} + 1 < 0

(x^{27} y)^{\frac{1}{3}}