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

The answer to |5y-4|=7 is y=-3/5 \lor y= 11/5

Solve for y: |5y-4|=7

The solution is y=-3/5 \lor y= 11/5

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∣ 5 y - 4 ∣ = 7

y = - \frac{3}{5} or y = \frac{11}{5}

Decimal Notation

y = - 0.6, y = 2.2

Solution steps

∣ 5 y - 4 ∣ = 7

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

5 y - 4 = - 7 or 5 y - 4 = 7

5 y - 4 = - 7 or 5 y - 4 = 7

y = - \frac{3}{5} or y = \frac{11}{5}

4 ∣ x - 4 ∣ + 4 = 5 - x

12 = ∣ - 3 d ∣

∣ - 9 x ∣ = 36

8 - 3 ∣ x + 4 ∣ = 4

x^{2} - 2 x = 8