anonymous
  • anonymous
i need help with this huge problem :(
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
1 Attachment
hartnn
  • hartnn
to eliminate the fraction, you can multiply by 3 on both sides.
anonymous
  • anonymous
multiply 3 by what?

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hartnn
  • hartnn
multiply both sides of the equation by 3
anonymous
  • anonymous
@Best_Mathematician that isn't exatly the answer i was looking for...
anonymous
  • anonymous
so 5 and 12?
anonymous
  • anonymous
my mistake here's the correction 5n + 12 + n = -3 6n = -15 n = -5/2
anonymous
  • anonymous
1.5?
anonymous
  • anonymous
do you have to simplify that?
hartnn
  • hartnn
n=1.5 or 3/2 is incorrect.
anonymous
  • anonymous
but theres no such thing as 1.5 here :(
hartnn
  • hartnn
do you want to solve it on your own, or just want an answer ?
anonymous
  • anonymous
yeahh thats what i was thinking, it cant be right :/
anonymous
  • anonymous
i need to know the steps so i can do it on my own you guys are just throwing answers or these problems of how you think it should be solved. its just confusing to me
hartnn
  • hartnn
i know, right! if you multiply each term of that equation by 3, what u get ? 3* (1/3)* (5n+12) =...? 3* (1/3)* n =...? -3*3 =.... ?
hartnn
  • hartnn
*last line should be -1*3=...?
anonymous
  • anonymous
-3?
hartnn
  • hartnn
thats right side, what about left side of = ?
anonymous
  • anonymous
umm 3*5?
anonymous
  • anonymous
15
anonymous
  • anonymous
sorry i am just terrible at math
hartnn
  • hartnn
3* (1/3)* (5n+12) =5n+12 3* (1/3)* n =n got this ?
hartnn
  • hartnn
|dw:1362988262501:dw| sorry i am just terrible at drawing :P
anonymous
  • anonymous
haha no problem! :D
anonymous
  • anonymous
so i subtract 5 from twelve here?
anonymous
  • anonymous
7 ?
hartnn
  • hartnn
|dw:1362988334714:dw| so, you are left with simple linear equation : 5n+12+n = -3
hartnn
  • hartnn
you can't subtract 5 from 12...there is 'n' attached to 5
hartnn
  • hartnn
combine like terms, 5n+n = 6n
hartnn
  • hartnn
so, 6n +12=-3
anonymous
  • anonymous
oh, so you divide that? i thought you have to subtract because it is opposite of addition :P
hartnn
  • hartnn
now , subtract 12 from both sides, (because subtraction is opposite of addition) so, 6n +12-12 = -3-12 6n = -15 now just divide by 6
anonymous
  • anonymous
-2.5
hartnn
  • hartnn
because division is opposite of multiplication, ...yes, thats correct :)
anonymous
  • anonymous
hmm thanks for the help so far! :) so how do you make that a fraction?
hartnn
  • hartnn
6n = -15 n = -15/6 = -3*5 /(3*2) 3 cancels out. n = -5/2
anonymous
  • anonymous
this will take me a while to learn but i really dont want to waste your time..thank you for this, i will look over it because its got all the help i need :) so thanks :D

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