elliebomb13
elliebomb13 elliebomb13
  • 18-10-2018
  • Mathematics
contestada

Solve: 5|x| = 45



A.


No solution


B.


–9 or 9


C.


9


D.


40

Respuesta :

Genius102
Genius102 Genius102
  • 18-10-2018

The answer is B.

5|x|=45

5|x|/5 = 45/5

|x| = 9

Answer Link
CharlieBrown2002
CharlieBrown2002 CharlieBrown2002
  • 18-10-2018

-9 or 9 b. is the correct answer.  First you had to divide by 5 from both sides of equation, and it gave us, [tex]\frac{5|x| }{5}=\frac{45}{5}[/tex]. And then simplify, and it gave us, [tex]|x|=9[/tex], or and it gave us the answer is x=-9, or x=9. Hope this helps! And thank you for posting your question at here on brainly, and have a great day. -Charlie

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