anonymous
  • anonymous
Can anybody help me solve -np - 90 < 30
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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abb0t
  • abb0t
What do you need help solving. Treat is as if it was a regular equation. Pretend there is a = sign there.
abb0t
  • abb0t
Can you solve then? Remember anytime you divide by a negative number, you switch the sign (in the end)
anonymous
  • anonymous
I have to solve for n

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anonymous
  • anonymous
The question says - Solve. -np - 90 < 30 for n.
abb0t
  • abb0t
So, pretend you have: -np - 90 = 30 can you solve for n now?
anonymous
  • anonymous
How do I get the variable p to the other side
abb0t
  • abb0t
Divide.
abb0t
  • abb0t
It wouldn't be any different if there was a number on there. Same proceduce.
anonymous
  • anonymous
So I would have -n - 90 < 30/p ?
abb0t
  • abb0t
No. First, add 90 to both sides, as i told you to do so earlier. That way, you isolate the -np by itself.
abb0t
  • abb0t
Then you have: \(\sf \color{red}{-np < 30 + 90}\)
anonymous
  • anonymous
So now I have -np < 120
abb0t
  • abb0t
Next divide by \(\sf \sf \color{red}{-p}\) remeber i said when you divide by a negative number, you re actually flipping the sign of the inequality.
abb0t
  • abb0t
And you've solved for it.
anonymous
  • anonymous
So -n>120/p is the answer?
anonymous
  • anonymous
Can you also help me with 5m - 3h = 45
abb0t
  • abb0t
No. you cannot have a negative answer, it must be positive! It wouldn't make sense to say a negative number is greater than a positive, assuming p > 0
abb0t
  • abb0t
5m-3h = 45 what are you solving for?
abb0t
  • abb0t
You need to be clear with your questions!
anonymous
  • anonymous
Don't worry bout it don't need help👋🏽

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