What is the answer to |9-4y|=20 ?

The answer to |9-4y|=20 is y=-11/4 \lor y= 29/4

Solve for y: |9-4y|=20

The solution is y=-11/4 \lor y= 29/4

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∣ 9 - 4 y ∣ = 20

y = - \frac{11}{4} or y = \frac{29}{4}

Decimal Notation

y = - 2.75, y = 7.25

Solution steps

∣ 9 - 4 y ∣ = 20

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

9 - 4 y = - 20 or 9 - 4 y = 20

9 - 4 y = - 20 or 9 - 4 y = 20

y = - \frac{11}{4} or y = \frac{29}{4}

5 ∣ x - 6 ∣ = 12

4 ∣ q ∣ = 0

x, ∣ x + y ∣ = 0

20 = ∣ 1 - 3 x ∣

∣ q + 15 ∣ = 3

What is the answer to |9-4y|=20 ?
The answer to |9-4y|=20 is y=-11/4 \lor y= 29/4
Solve for y: |9-4y|=20
The solution is y=-11/4 \lor y= 29/4