What is the answer to -10|n+2|=-70 ?

The answer to -10|n+2|=-70 is n=-9\lor n=5

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-10|n+2|=-70

- 10 ∣ n + 2 ∣ = - 70

n = - 9 or n = 5

Solution steps

- 10 ∣ n + 2 ∣ = - 70

Divide both sides by

- 10

∣ n + 2 ∣ = 7

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

n + 2 = - 7 or n + 2 = 7

n + 2 = - 7 or n + 2 = 7

n = - 9 or n = 5

(- 1 + i 3)^{3}

5 x - 4 \leq - 14

4175

\frac{π \cdot 0.28 5 ^{2}}{4}

\frac{1}{b + 1} \cdot \frac{2 b + 2}{b + 1}