What is the answer to 4|n+8|=56 ?

The answer to 4|n+8|=56 is n=-22\lor n=6

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4|n+8|=56

4 ∣ n + 8 ∣ = 56

n = - 22 or n = 6

Solution steps

4 ∣ n + 8 ∣ = 56

Divide both sides by

4

∣ n + 8 ∣ = 14

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

n + 8 = - 14 or n + 8 = 14

n + 8 = - 14 or n + 8 = 14

n = - 22 or n = 6

f = - 1^{2} + 1

\frac{5 k ^{2} - 26 k + 5}{25 k ^{3} - k}

\frac{1}{18 - 2 x} \geq - \frac{1}{3 x + 6}

x + 4 = - x

6 x^{2} - 40 x - 14