The solution set of the equation |x - 1| = 3 is _____

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The solution set of the equation |x - 1| = 3 is _____

{-2, 4}

{-3, 3}

{-4, 2}

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Best Answer

+5

|x-1|=3

x-1=3 x-1=-3

x=4 x=-2

{-2,4}

(|a|=a when a> or a=0

|a|=-a when a<0

so there is two situation)

Guest Dec 5, 2014

1⁺⁰ Answers

+5

Best Answer

|x-1|=3

x-1=3 x-1=-3

x=4 x=-2

{-2,4}

(|a|=a when a> or a=0

|a|=-a when a<0

so there is two situation)

Guest Dec 5, 2014

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