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|3x-7| + 7 = 9 What is the first solution? Plzzz help
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5 votes
|3x-7| + 7 = 9 What is the first solution?

Plzzz help

User Steffan
by
7.2k points

1 Answer

3 votes

Answer:

  • 3 and 5/3

Explanation:

Solving in steps:

  • |3x-7| + 7 = 9
  • |3x-7| = 2

1. If 3x - 7 > 0

  • 3x - 7 = 2
  • 3x = 9
  • x = 3

2. If 3x - 7 < 0

  • 3x - 7 = -2
  • 3x = 5
  • x = 5/3
User JDur
by
7.7k points
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