What is the answer to |x-1|=8 ?

The answer to |x-1|=8 is x=-7\lor x=9

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|x-1|=8

∣ x - 1 ∣ = 8

x = - 7 or x = 9

Solution steps

∣ x - 1 ∣ = 8

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

x - 1 = - 8 or x - 1 = 8

x - 1 = - 8 or x - 1 = 8

x = - 7 or x = 9

2 x \leq 1

6 x^{4} y^{3} - 21 x^{2} y^{4} + 12 x y

510 = x 2

e^{πi} + 1

1^{- \frac{3}{2}}