What is the answer to |5y-7|+2=4 ?

The answer to |5y-7|+2=4 is y=1\lor y= 9/5

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

|5y-7|+2=4

∣ 5 y - 7 ∣ + 2 = 4

y = 1 or y = \frac{9}{5}

Solution steps

∣ 5 y - 7 ∣ + 2 = 4

Move

2

to the right side

∣ 5 y - 7 ∣ = 2

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

5 y - 7 = - 2 or 5 y - 7 = 2

5 y - 7 = - 2 or 5 y - 7 = 2

y = 1 or y = \frac{9}{5}

- 8 ∣ 10 k ∣ = - 480

∣ - 9 x ∣ = 54

- (x + 3)^{2} = ∣ x ∣ - 9

3 ∣ 4 - 3 x ∣ + 7 = 25

∣ 2 x + 14 ∣ = 60