What is the answer to |5x+9|=9 ?

The answer to |5x+9|=9 is x=-18/5 \lor x=0

Solve for x: |5x+9|=9

The solution is x=-18/5 \lor x=0

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∣ 5 x + 9 ∣ = 9

x = - \frac{18}{5} or x = 0

Decimal Notation

x = - 3.6, x = 0

Solution steps

∣ 5 x + 9 ∣ = 9

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

5 x + 9 = - 9 or 5 x + 9 = 9

5 x + 9 = - 9 or 5 x + 9 = 9

x = - \frac{18}{5} or x = 0

∣ 4 x - 2 ∣ - 6 = 24

∣ - 3 x ∣ = 63

∣ n + 7 ∣ - 6 = 8

2 ∣ x - 1 ∣ - 4 = - 2

∣ 7 x - 2 ∣ = x + 4