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Solve for x: |2x + 12| = 18 (5 points) x = 3, x = −3 x = 3, x = −15 x = 15, x = −15 x = −3, x = 15

Respuesta :

sqdancefan

Answer:

  x = 3

  x = -15

Step-by-step explanation:

Use the meaning of absolute value to make this into two equations.

  |2x +12| = 18

  2x +12 = ±18

  x +6 = ±9 . . . . . . divide by 2

  x = -6 ±9 . . . . . . subtract 6

  x = 3

  x = -15

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