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anonymous
 one year ago
http://i.imgur.com/1h6HYZB.png
how do i solve this? i have an exam coming up and i really need to know, thanks!
anonymous
 one year ago
http://i.imgur.com/1h6HYZB.png how do i solve this? i have an exam coming up and i really need to know, thanks!

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0oh thats cool! thanks anyway. i would ask for the answer but this isnt the real exam so it wouldnt help too much! thanks anyway however

amistre64
 one year ago
Best ResponseYou've already chosen the best response.0how do we get rid of a denominator?

amistre64
 one year ago
Best ResponseYou've already chosen the best response.0equations are valid when we do the same operation to both sides, this allows us to change form, but retain equality. so multiplying each side by the same thing, allows us to change the LOOK of it, but retain the equality of it.

amistre64
 one year ago
Best ResponseYou've already chosen the best response.0when ever we have a denominator, its best to clear it out .. a/b = k , multiply both sides by b (why?) a b/b = kb , b/b = 1 if b isnt 0 a = kb , this tends to be simpler form for us to work with.
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