What is the answer to |5x|=10 ?

The answer to |5x|=10 is x=-2\lor x=2

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|5x|=10

∣ 5 x ∣ = 10

x = - 2 or x = 2

Solution steps

∣ 5 x ∣ = 10

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

5 x = - 10 or 5 x = 10

5 x = - 10 or 5 x = 10

x = - 2 or x = 2

- 4 x^{2} + 8 x + 60

x^{3} + 4 x^{2} - 12 x

- \frac{3}{8} lo g_{2} (\frac{3}{8}) - \frac{5}{8} lo g_{2} (\frac{5}{8})

∣ 3 x + 5 ∣ = ∣ 2 x + 20 ∣

1 - 64 a^{3}