What is the answer to |4x+1|=20 ?

The answer to |4x+1|=20 is x=-21/4 \lor x= 19/4

Solve for x: |4x+1|=20

The solution is x=-21/4 \lor x= 19/4

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∣ 4 x + 1 ∣ = 20

x = - \frac{21}{4} or x = \frac{19}{4}

Decimal Notation

x = - 5.25, x = 4.75

Solution steps

∣ 4 x + 1 ∣ = 20

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

4 x + 1 = - 20 or 4 x + 1 = 20

4 x + 1 = - 20 or 4 x + 1 = 20

x = - \frac{21}{4} or x = \frac{19}{4}

∣ 2 x - 4 ∣ = 2

∣ x + 2 ∣ + 16 = 14

y, x = ∣ y ∣ - 1

∣ 2 x - 5 ∣ = 4 x - 9

- 8 ∣ - 4 x + 5 ∣ + 10 = - 94

What is the answer to |4x+1|=20 ?
The answer to |4x+1|=20 is x=-21/4 \lor x= 19/4
Solve for x: |4x+1|=20
The solution is x=-21/4 \lor x= 19/4