What is the answer to |4y+9|=13 ?

The answer to |4y+9|=13 is y=-11/2 \lor y=1

Solve for y: |4y+9|=13

The solution is y=-11/2 \lor y=1

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∣ 4 y + 9 ∣ = 13

y = - \frac{11}{2} or y = 1

Decimal Notation

y = - 5.5, y = 1

Solution steps

∣ 4 y + 9 ∣ = 13

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

4 y + 9 = - 13 or 4 y + 9 = 13

4 y + 9 = - 13 or 4 y + 9 = 13

y = - \frac{11}{2} or y = 1

50 = ∣ t - 410 ∣

- 2 ∣ x - 5 ∣ = - 4

3 ∣ 2 x - 5 ∣ + 6 = 30

∣ 7 c ∣ = 49

2 \cdot ∣ 4 - x ∣ = 3 x