anonymous
  • anonymous
HELP ASAP WILL GIVE 5 MEDALS Part A: Solve A = 9/2 (x + 28) for x. Part B: Determine the value of x when A = 135. Part C: Solve -np - 40 > 10 for n. Show your work. I NEED HELP ASAP. I HAVE PART C BUT I HAVE NO IDEA HOW TO DO THE OTHER PARTS.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
@ganeshie8
anonymous
  • anonymous
@zarkam21
anonymous
  • anonymous
@imqwerty @Tom_Boy_Rebel Can you help me?

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anonymous
  • anonymous
idk this sorry :P
anonymous
  • anonymous
Which equation? \[A=\frac{ 9 }{ 2 }(x+28)\] or \[A=\frac{ 9 }{ 2(x+28) }\]
anonymous
  • anonymous
The first one. @peachpi
anonymous
  • anonymous
9/2 is in multiplied in front of the parentheses, so you need to multiply both sides by its reciprocal to cancel it out. So multiply both sides by 2/9
anonymous
  • anonymous
So multiply the 9/2 and the 28 by 2/9?
anonymous
  • anonymous
@peachpi
anonymous
  • anonymous
no multiply the A and the 9/2 by 2/9
anonymous
  • anonymous
I am sorry. I am so confused. Would it be 2/9a?
anonymous
  • anonymous
@peachpi
anonymous
  • anonymous
yes.|dw:1441029835790:dw|
anonymous
  • anonymous
now 28 is added to x, so you have to subtract 28 from both sides to get x by itself
anonymous
  • anonymous
|dw:1441029988523:dw|

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