What is the answer to |9y+9|-7=0 ?

The answer to |9y+9|-7=0 is y=-16/9 \lor y=-2/9

Solve for y: |9y+9|-7=0

The solution is y=-16/9 \lor y=-2/9

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∣ 9 y + 9 ∣ - 7 = 0

y = - \frac{16}{9} or y = - \frac{2}{9}

Solution steps

∣ 9 y + 9 ∣ - 7 = 0

Move

7

to the right side

∣ 9 y + 9 ∣ = 7

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

9 y + 9 = - 7 or 9 y + 9 = 7

9 y + 9 = - 7 or 9 y + 9 = 7

y = - \frac{16}{9} or y = - \frac{2}{9}

2 ∣ x ∣^{2} = 1

10 - ∣ 3 x ∣ = 5

- 10 = ∣ 8 z ∣ - 16

∣ x ∣ + 15 = 7

2 ∣ x + 6 ∣ + 17 = 3

What is the answer to |9y+9|-7=0 ?
The answer to |9y+9|-7=0 is y=-16/9 \lor y=-2/9
Solve for y: |9y+9|-7=0
The solution is y=-16/9 \lor y=-2/9