What is the answer to |1-5x|=1 ?

The answer to |1-5x|=1 is x=0\lor x= 2/5

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|1-5x|=1

∣ 1 - 5 x ∣ = 1

x = 0 or x = \frac{2}{5}

Decimal Notation

x = 0, x = 0.4

Solution steps

∣ 1 - 5 x ∣ = 1

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

1 - 5 x = - 1 or 1 - 5 x = 1

1 - 5 x = - 1 or 1 - 5 x = 1

x = 0 or x = \frac{2}{5}

2 a^{2} + a

m^{2} - 3 m + mn - 3 n

- 6 < 6 - 2 x \leq 14

\frac{3 - 2 i}{1 - 2 i}

∣ x ∣ \geq 4