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10 November, 19:04

The table shows the solution to the equation |2x - 5| - 2 = 3:

Step 1

|2x - 5| = 3 + 2

Step 2

|2x - 5| = 5

Which is the first incorrect step?

Step 3

2x - 5 = 5 or 2x - 5 = - 5

Step 4

2x = 10 or 2x = 0

Step 5

x = 5 or x = 0

+3
Answers (1)
  1. 10 November, 19:10
    0
    |2x - 5| - 2 = 3 |add 2 to both sides

    |2x - 5| = 5

    2x - 5 = 5 or 2x - 5 = - 5 |add 5 to both sides

    2x = 10 or 2x = 0 |divide both sides by 2

    x = 5 or x = 0

    All steps are correct.
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