anonymous
  • anonymous
x+{y-3-4x+2[3x-(-y-1)+2y]-3x} = ?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
i am having a little trouble solving this one
TuringTest
  • TuringTest
one thing is that it's a lot easier on the eyes if you don't use caps
anonymous
  • anonymous
wow can you explain how to do that

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More answers

anonymous
  • anonymous
x+{y-3-4x+2[3x-(-y-1)+2y]-3x} = ?
TuringTest
  • TuringTest
I edited your post for you :) anyway, we work here from the inside out so what is the first (innermost) operation?
anonymous
  • anonymous
i saw that
anonymous
  • anonymous
(-y-1)
TuringTest
  • TuringTest
right, and there's not much we can do with that... so on to the next step we now look at it as\[3x-(-y-1)+2y\]do you know how to simplify this?
anonymous
  • anonymous
i believe it is 3x+y+1+2y then 3x+2y+1
TuringTest
  • TuringTest
yep :)
anonymous
  • anonymous
i meant 3y
TuringTest
  • TuringTest
ph, so did I lol
TuringTest
  • TuringTest
so what is the next step outside of that?
anonymous
  • anonymous
3x+3y+1
TuringTest
  • TuringTest
x+{y-3-4x+2[3x-(-y-1)+2y]-3x} and we got that now to be x+{y-3-4x+2[3x+3y+1]-3x} so what is the innermost step we should do (careful on this one)
anonymous
  • anonymous
{y-3-4x+2[3x+3y+1]-3x}
anonymous
  • anonymous
right?
TuringTest
  • TuringTest
almost.... and that can work, but we can make it even simpler the first thing to be done (the innermost operation) is to distribute the 2: 2[3x+3y+1]
anonymous
  • anonymous
yah i know thats what i meant
TuringTest
  • TuringTest
good so simplify that and tell me what you get
anonymous
  • anonymous
ok we will see?
anonymous
  • anonymous
2[3x+3y+1] which is 6x +6y +2
TuringTest
  • TuringTest
good, so now substitute that into the next outer expression (the one you wrote before)
anonymous
  • anonymous
ok
anonymous
  • anonymous
x+y-3-4x+6x +6y +2-3x
TuringTest
  • TuringTest
great, and now we simplify that....
anonymous
  • anonymous
ok
anonymous
  • anonymous
+7y - 1?
anonymous
  • anonymous
am i right?
TuringTest
  • TuringTest
no be more careful with your like terms what are just all the x's added up?
TuringTest
  • TuringTest
oh wait I'm sorry I mistyped my own paper (mulitptasking)
anonymous
  • anonymous
:( my book says i am right
TuringTest
  • TuringTest
oh I see you took the last step already which is to add the final outer x well good job, yes, that is the final answer
anonymous
  • anonymous
ok well can we try one more to make sure i learned everything well. if not thats fine you earned your medal?
TuringTest
  • TuringTest
I'm never in it for the medals :) but you're still supposed to post separate each Q as per the code of conduct In this case we can do one more quickly here as I said, I'm multitasking
anonymous
  • anonymous
ok lol i guess i wouldnt be in the medals either if i had your score
anonymous
  • anonymous
ok next one
TuringTest
  • TuringTest
go ahead
anonymous
  • anonymous
6+{-a-3[b+6(a-b)+4a]-2b=?
TuringTest
  • TuringTest
where to the brackets close {} ? (you forgot the right one)
TuringTest
  • TuringTest
where do*....
anonymous
  • anonymous
oh my bad after 2b
anonymous
  • anonymous
6+{-a-3[b+6(a-b)+4a]-2b}=?
TuringTest
  • TuringTest
so what is the first innermost operation?
anonymous
  • anonymous
a-b
TuringTest
  • TuringTest
right, but we can't simplify that, so what's the next outer operation (again, like last time, be careful here)
anonymous
  • anonymous
6+{-a-3[b+6(a-b)+4a]-2b}=? then [b+6a-6b+4a]
TuringTest
  • TuringTest
yes
TuringTest
  • TuringTest
continue
anonymous
  • anonymous
ok so now 6+{-a-3[b+6a-6b+4a]-2b}=? then [10a-5b] then -3[10a-5b]= -30a+15b
TuringTest
  • TuringTest
so far so good
anonymous
  • anonymous
so now we have 6+{-31a+17b}=? solve it now 6-31a+17b fix it up a bit... -31a+17b+6 am I right ,am I ,am I?
anonymous
  • anonymous
wait
anonymous
  • anonymous
6+{-31a+13b}=? solve it now 6-31a+13b fix it up a bit... -31a+13b+6 am I right ,am I ,am I?
anonymous
  • anonymous
check that out
TuringTest
  • TuringTest
yep, that's right :)
anonymous
  • anonymous
alright thank you very much for your time

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