What is the answer to -9|x|=-63 ?

The answer to -9|x|=-63 is x=-7\lor x=7

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-9|x|=-63

- 9 ∣ x ∣ = - 63

x = - 7 or x = 7

Solution steps

- 9 ∣ x ∣ = - 63

Divide both sides by

- 9

∣ x ∣ = 7

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

x = - 7 or x = 7

49 c^{2} - 36

- 5 < 2 x - 1 \leq 1

(1 + i) \cdot (3 - 5 i)

2 x + 1 \geq 6 and 2 x + 1 \leq 21

(- 3 \frac{2}{3})^{2}