Solve the absolute value equation 2 = |x|-1

Andrea Baccega asked Jun 25, 2023

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22 votes

Solve the absolute value equation
2 = |x|-1

Andrea Baccega asked Jun 25, 2023

2.3k points

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17 votes

If you're looking for x, then:

2 = |x|-1

lxl-1 = 2

lxl-1+1=2+1

lxl=3

so x = -3, x=3

Hector Matos answered Jul 1, 2023

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