anonymous
  • anonymous
will reward and medal clearest answer to me....and they have to help w/all 4 questions. 6.) 8(6a+7b)-11(2b+8a)=? 8.) 2(a-b)+3(a-b)-4(a-b)=? 14) 4(11a-9b)-7(6a)? 15.) -3(4a-5b)-(a-b)=? this assignment has answer choices I keep trying to solve them, but my answers don't match up with the answer choices. Could Someone Please Help ASAP...
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
can you show us your solution so that we can check where you got mistakes?
anonymous
  • anonymous
8(6a+7b)-11(2b+8b) 42a+52b-22b+88b 42a+30b+88b (42a+118b)<- but that's not right )': number 6
DebbieG
  • DebbieG
6*8 is not = 42 Also your problem above has 8a as the last term but in your solution you changed it to 8b

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anonymous
  • anonymous
could u help me resolv it????
DebbieG
  • DebbieG
Fix those 2 mistakes and try again.... :)
anonymous
  • anonymous
i got 136a+34b still not right answer):
DebbieG
  • DebbieG
8(6a+7b)-11(2b+8a) =48a + 56b - 22b -88a did you get that far?
anonymous
  • anonymous
ya
DebbieG
  • DebbieG
a-ha.... you used +88a
anonymous
  • anonymous
ya???/
DebbieG
  • DebbieG
But you added. you did 48a + 88a.... Look at it.... =48a + 56b - 22b -88a =48a - 88a + 56b - 22b
DebbieG
  • DebbieG
But you said you got 136a, so you ADDED 48a + 88a, that's your error.
anonymous
  • anonymous
26a-32b answer?
DebbieG
  • DebbieG
no...... your b term was right before, don't change that! Just fix the a term.... =48a - 88a + 56b - 22b =a(48 - 88) + b(56 - 22) You will have a negative coefficient for the a, because 88>48
anonymous
  • anonymous
-26a+34b
DebbieG
  • DebbieG
how did you get -26? What is 48 - 88?
anonymous
  • anonymous
-40a+34b
DebbieG
  • DebbieG
Remember how to subtract a bigger number from a smaller one: Switch the order, but then make the answer negative. E.g. 48 - 88 = -(88 - 48)
DebbieG
  • DebbieG
There you go! That's it.
anonymous
  • anonymous
mind helping with 5 problems instead of 4 i didn't see one if u don't care helping w/5????????
DebbieG
  • DebbieG
I have to go, but if you repost your others one at a time (I think you are supposed to post them separately) I'm sure someone else will help you. Just try them yourself first, and then ask someone to check your work as needed!
anonymous
  • anonymous
|dw:1377654643564:dw|
anonymous
  • anonymous
2a-2b+3a-3b-4a-4b 2a+3a=5a-4a=1a 1a-2b <-that's not right):
anonymous
  • anonymous
|dw:1377654989077:dw| now try to solve it again
anonymous
  • anonymous
@caitlynmcdaniel
anonymous
  • anonymous
a-b @Data_LG2
anonymous
  • anonymous
right:) then do the same thing with the other ones..
anonymous
  • anonymous
thanks
anonymous
  • anonymous
you're welcome

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