What is the answer to |5y+15|=5 ?

The answer to |5y+15|=5 is y=-4\lor y=-2

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|5y+15|=5

∣ 5 y + 15 ∣ = 5

y = - 4 or y = - 2

Solution steps

∣ 5 y + 15 ∣ = 5

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

5 y + 15 = - 5 or 5 y + 15 = 5

5 y + 15 = - 5 or 5 y + 15 = 5

y = - 4 or y = - 2

- 2 (x + 4)^{2} = 8

3 + 3

\frac{( \frac{3}{2} )}{3}

7 x^{2} - 3 x = 4

4 3^{2}