anonymous
  • anonymous
Divison in algebra?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
\[x/3 - 1 = 1 - 3\]
anonymous
  • anonymous
I don't really know how to start
anonymous
  • anonymous
Do I add one on both sides? but then does it matter to which one I add one?

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anonymous
  • anonymous
okay that was dumb i guess it doesn't matter so then i have x/3 = 2 -3
anonymous
  • anonymous
The simplest here is deal with right hand side first: 1-3 = -2
anonymous
  • anonymous
ah yes i didn't think about that
anonymous
  • anonymous
okay so x/2 - 1 = -2 and then i add one on both sides so x/2 = -1
anonymous
  • anonymous
and then how do i fix that fraction :?
anonymous
  • anonymous
Following that we deal with the left hand side: x/3 -1 , bring the -1 across to get : x/3 = -2 + 1 or x/3 = -1 and then simply cross multiply x/3 = -1 gives x= 3(-1) or x=-3
anonymous
  • anonymous
um its x/2 :?
anonymous
  • anonymous
x/2 = -1 gives x= 2(-1) or x=-2 okay i replaced the number and so the answer is -2 hmm trying to understand that x = 2(-1)
anonymous
  • anonymous
|dw:1435457311312:dw|
anonymous
  • anonymous
AH YES I SEE my book has taught me that so far for this silly SAT haha okay when i see something like x/2 = <-- bold -1 then that means to cross multiply yes so x/2 times -1/1 = 2(-1) and x(1) == x = -2 Thanks!!
anonymous
  • anonymous
yeah thanks for the illustration :D
anonymous
  • anonymous
Yo Welcome!
anonymous
  • anonymous
OMG IM SO DUMB it wasss x/3 not x/2darn im so dumb sometimes lol like i copied the question too and forgot the variables xD
anonymous
  • anonymous
so -3 haha..
anonymous
  • anonymous
because i was looking at the answer choices like oh that's funny -2 isn't an option :I i'll get better haha

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