What is the answer to |x-9|=7 ?

The answer to |x-9|=7 is x=2\lor x=16

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|x-9|=7

∣ x - 9 ∣ = 7

x = 2 or x = 16

Solution steps

∣ x - 9 ∣ = 7

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

x - 9 = - 7 or x - 9 = 7

x - 9 = - 7 or x - 9 = 7

x = 2 or x = 16

2 x - 11 > - 21

\frac{9}{17} \cdot 2

- 3 x (2 - x + 4 x)

(- 3 x^{2} y^{4})^{5}

\frac{4 x + 9}{15} - \frac{x - 3}{5} = 1