Question

1. | 2x - 1 | = 7

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Answer 1

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Answer 2

|2x - 1| = 7
2x - 1 = 7
2x = 7 + 1
2x = 8
x = 4
2x - 1 = -7
2x = -7 + 1
2x = -6
x = -3
HP = {-3, 4}