What is the answer to |9+4x|=1 ?

The answer to |9+4x|=1 is x=-5/2 \lor x=-2

Solve for x: |9+4x|=1

The solution is x=-5/2 \lor x=-2

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∣ 9 + 4 x ∣ = 1

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

Decimal Notation

x = - 2.5, x = - 2

Solution steps

∣ 9 + 4 x ∣ = 1

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

9 + 4 x = - 1 or 9 + 4 x = 1

9 + 4 x = - 1 or 9 + 4 x = 1

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

lo g_{5} (5)

2 x \cdot x^{\frac{1}{2}}

15 x^{2} - 34 x - 16

- 5 z - 2.6 < - 49.4 + 4 z

100 - (w - 4)^{2}