What is the answer to -2|2x+9|-1=-5 ?

The answer to -2|2x+9|-1=-5 is x=-11/2 \lor x=-7/2

Solve for x: -2|2x+9|-1=-5

The solution is x=-11/2 \lor x=-7/2

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- 2 ∣ 2 x + 9 ∣ - 1 = - 5

x = - \frac{11}{2} or x = - \frac{7}{2}

Decimal Notation

x = - 5.5, x = - 3.5

Solution steps

- 2 ∣ 2 x + 9 ∣ - 1 = - 5

Move

1

to the right side

- 2 ∣ 2 x + 9 ∣ = - 4

Divide both sides by

- 2

∣ 2 x + 9 ∣ = 2

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

2 x + 9 = - 2 or 2 x + 9 = 2

2 x + 9 = - 2 or 2 x + 9 = 2

x = - \frac{11}{2} or x = - \frac{7}{2}

5500 (1 - \frac{1}{50} (5))^{2}

- 6 + 5

a^{3} - b^{3}

- x^{2} + 7 x - 18 = 0

2 x + 287 - x = 360

What is the answer to -2|2x+9|-1=-5 ?
The answer to -2|2x+9|-1=-5 is x=-11/2 \lor x=-7/2
Solve for x: -2|2x+9|-1=-5
The solution is x=-11/2 \lor x=-7/2