What is the answer to |9x+1|=1 ?

The answer to |9x+1|=1 is x=-2/9 \lor x=0

Solve for x: |9x+1|=1

The solution is x=-2/9 \lor x=0

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∣ 9 x + 1 ∣ = 1

x = - \frac{2}{9} or x = 0

Decimal Notation

x = - 0.22222 \dots, x = 0

Solution steps

∣ 9 x + 1 ∣ = 1

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

9 x + 1 = - 1 or 9 x + 1 = 1

9 x + 1 = - 1 or 9 x + 1 = 1

x = - \frac{2}{9} or x = 0

∣ 2 x + (- 1) ∣ = 5

∣ - 10 + n ∣ - 2 = - 8

∣ 8 x - 2 ∣ = 2

4 x^{2} + 8 x + 3 = 1

∣ d ∣ + 9 = 11