What is the answer to |13+4y|=15 ?

The answer to |13+4y|=15 is y=-7\lor y= 1/2

Solve for y: |13+4y|=15

The solution is y=-7\lor y= 1/2

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∣ 13 + 4 y ∣ = 15

y = - 7 or y = \frac{1}{2}

Decimal Notation

y = - 7, y = 0.5

Solution steps

∣ 13 + 4 y ∣ = 15

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

13 + 4 y = - 15 or 13 + 4 y = 15

13 + 4 y = - 15 or 13 + 4 y = 15

y = - 7 or y = \frac{1}{2}

6 - ∣ 5 x + 6 ∣ = 4

6 - ∣ 4 - 4 x ∣ = - 6

∣ f + 10 ∣ = 1

6 - ∣ 8 + 5 x ∣ = 5

∣ 8 x ∣ = 64