What is the answer to |2x|-3=20 ?

The answer to |2x|-3=20 is x=-23/2 \lor x= 23/2

Solve for x: |2x|-3=20

The solution is x=-23/2 \lor x= 23/2

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∣ 2 x ∣ - 3 = 20

x = - \frac{23}{2} or x = \frac{23}{2}

Decimal Notation

x = - 11.5, x = 11.5

Solution steps

∣ 2 x ∣ - 3 = 20

Move

3

to the right side

∣ 2 x ∣ = 23

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

2 x = - 23 or 2 x = 23

2 x = - 23 or 2 x = 23

x = - \frac{23}{2} or x = \frac{23}{2}

∣ k + 5 ∣ = 12

∣ 2 k + 1 ∣ = 9

∣ 6 n - 6 ∣ = - 72

5 ∣ x + 6 ∣ = 15 x - 10

- 5 ∣ 5 x + 3 ∣ + 28 = 18

What is the answer to |2x|-3=20 ?
The answer to |2x|-3=20 is x=-23/2 \lor x= 23/2
Solve for x: |2x|-3=20
The solution is x=-23/2 \lor x= 23/2