anonymous
  • anonymous
3 > 1- n/2 > - 2
Mathematics
  • Stacey Warren - Expert brainly.com
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schrodinger
  • schrodinger
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anonymous
  • anonymous
This is like the one I did earlier for you. The goal is to get n by itself in the middle.. What number would you get rid of first in the middle?
anonymous
  • anonymous
can we get rid of 1
anonymous
  • anonymous
Yes.. Sorry, I was helping someone else. So you subtract one from all three sides. 3 -1 > 1-1-n/2> -2-1 Which is 2 > -n/2 > -3 Then what would we do?

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anonymous
  • anonymous
so after we subtract do we divide?? and get 'n' by itself
anonymous
  • anonymous
To get rid of the 2 on the bottom... it says /2 so we do the opposite which is multiply by 2. We will do this this way and then we will have one more step. So take all three * 2 we would get 2 * 3 > 2* -n/2 > -3 * 2 which is 6 > -n > -6 can you see that the 2 and the /2 on the bottom cancel? Let me know when you get this and then we will do one more step.
anonymous
  • anonymous
ok
anonymous
  • anonymous
now are we fliping the signes?
anonymous
  • anonymous
Well. yes but you still have to get rid of the - sign so you take the opposite of all three sides.. another way is to multiply all three by -1 they are both the same idea. and YES YOU FLIP THE SIGNS.. VERY GOOD so you get -6 < n < 6 You could have multiplied by -2 back in the second step and flipped the sign then because you multiplied by -2... I didn't know if you could handle that step all at once.
anonymous
  • anonymous
yay i feel like i get it now =)
anonymous
  • anonymous
Great..
anonymous
  • anonymous
thanks alot

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