jakyfraze
  • jakyfraze
can someone explain this to me please :( Simplify this expression: 4p + 9 + (–7p) + 2 = ? A. 3p + 7 B. –3p + 11 C. 3p + 11 D. 11p + 11
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
Dang, Idk I got 4p+4
anonymous
  • anonymous
Whoops I forgot the p after the -7
anonymous
  • anonymous
-3p+11 so the answer is B

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jakyfraze
  • jakyfraze
oh my god thank you. but how did you get that? please tell me
breanna1999
  • breanna1999
Combine like terms
breanna1999
  • breanna1999
4p+(-7p)=-3p
breanna1999
  • breanna1999
9+2=11
jakyfraze
  • jakyfraze
@breanna1999 i don't get in.
breanna1999
  • breanna1999
You have terms in algebra. For example in this equation you have p and your number. You have to combine them(or add) together.
jakyfraze
  • jakyfraze
so add the numbers together that haves the same letter with it?
jakyfraze
  • jakyfraze
@breanna1999 so add the numbers together that haves the same letter with it?
breanna1999
  • breanna1999
Yes correct but pay attention to the negative numbers and make sure you add correctly
jakyfraze
  • jakyfraze
@breanna1999 okay, so how do you work with the negative number?
breanna1999
  • breanna1999
You have a positive 4p plus a negative 7p. You can rewrite this as 4p-7p. If you put this into a calculator you would get -3p or you could draw a number line and place a point on 4 and go backwards 7 spaces
jakyfraze
  • jakyfraze
@breanna1999 ohh okay i think i got it :). thank you!!!
breanna1999
  • breanna1999
You are very welcome

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