frompariswithxoxo
frompariswithxoxo frompariswithxoxo
  • 13-08-2020
  • Mathematics
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I NEED HELP ASAP! BRAINLIEST IS BEING GIVEN OUT! What are the solutions of |3x + 2| > 9? A. x > –113 or x > 73 B. x 73 C. x > –113 or x < 73 D. x < –113 or x < 73

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 13-08-2020

Answer:

x > 7/3   or x < -11/3

Step-by-step explanation:

|3x + 2| > 9

There are two solutions, one positive and one negative, remembering to flip the inequality when taking the negative solutions

3x+2 > 9         or         3x+2 < -9

Subtract 2

3x+2-2 >9-2   or      3x+2-2 < -9-2

3x >7                           3x>-11

Divide by 3

3x/3 > 7/3                    3x/3 < -11/3

x > 7/3   or x < -11/3

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