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DENIUS [597]
3 years ago
7

Solve following | 2x + 9 = 15

Mathematics
1 answer:
vivado [14]3 years ago
4 0
  • Answer:

<em>x₁ = 3</em>

<em>x₂ = - 12</em>

  • Step-by-step explanation:

<em>Hi there ! </em>

<em>| 2x + 9 | = 15</em>

<em>1.</em>

<em>2x + 9 = 15</em>

<em>2x = 15 - 9</em>

<em>2x = 6</em>

<em>x = 6 : 2</em>

<em>x₁ = 3</em>

<em>2.</em>

<em>2x + 9 = - 15</em>

<em>2x = - 15 - 9</em>

<em>2x = - 24</em>

<em>x = - 24 : 2</em>

<em>x₂ = - 12</em>

<em>Good luck ! </em>

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