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Joey · Answer 1 · 2019-09-10T03:00:21+0000

Hi there! The answer is C. 2

2 |x -1| - 4 = - 2

Add 4 to both sides.

2 |x - 1| = 2

Divide by 2

|x - 1| = 1

Now work out the absolute value, which gives that the equation is either equal to 1 or to - 1.

$x - 1 = 1 \: \: or \: \: x - 1 = - 1$

$x = 2 \: \: or \: \: x = 0$

Therefore, the sum of the solutions is 0 + 2 = 2.

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