anonymous
  • anonymous
Solve 4/5 +3/x =1/2
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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welshfella
  • welshfella
just solve it!
anonymous
  • anonymous
ok! Then will you check it?
welshfella
  • welshfella
LCM is 10x

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welshfella
  • welshfella
ok
anonymous
  • anonymous
8x+30/ 10x =5x/10x
welshfella
  • welshfella
you are multiplying each term by 10x
welshfella
  • welshfella
|dw:1437248041652:dw|
welshfella
  • welshfella
you have divided the last 2 terms by 10 - instead of multiply
welshfella
  • welshfella
* by 10x
anonymous
  • anonymous
Oh! Sorry :)
anonymous
  • anonymous
so would i subtract 8x from both sides?
welshfella
  • welshfella
No subtract 5x from both sides
anonymous
  • anonymous
So 3x=30, then x=10?
welshfella
  • welshfella
oh sorry - you can do either
welshfella
  • welshfella
3x + 30 = 0 subtract 30 from both sides 3x = -30 x = -10
anonymous
  • anonymous
So now what do we do with that?
welshfella
  • welshfella
well we have shown that the equation is solvable
welshfella
  • welshfella
x is -10 not zero but -10
welshfella
  • welshfella
yes - theres no problem that its negative
anonymous
  • anonymous
ahhh! Okay, thanks :)
welshfella
  • welshfella
yw

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