document.write( "Question 52209: This is \"solving equation and problems\" \"Transforming equations-multiplication and division\".\r
\n" ); document.write( "\n" ); document.write( " 1/2x=22
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\n" ); document.write( " I read something about getting the reciprocal of 1/2 so i guess 2/1. i dunno. can some one help by explaining the WHOLE precess to me. I think these are fractions, bu it could be division. I feel so stupid. Thanks
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Algebra.Com's Answer #34783 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
Whenever you see a fraction, division is going on
\n" ); document.write( "Whenever you are asked to do a division, you can
\n" ); document.write( "always express the division as a fraction
\n" ); document.write( "OR, fractions are division and division is fractions
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\n" ); document.write( "One of the best tools you can use when working with
\n" ); document.write( "fractions is the rule:
\n" ); document.write( " If you multiply the top and the bottom of a fraction
\n" ); document.write( " by the same quantity, the fraction does not change
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\n" ); document.write( "That's because \"5%2F5+=+13%2F13\"and \"+y%2Fy+=+759%2F759\" and \"1%2F1+=+6%2F6\"
\n" ); document.write( "They are all equal to 1 exactly.
\n" ); document.write( "So, if I have the fraction 1/3, all these are true
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\n" ); document.write( "All of these are the exact same thing as \"%281%29%2A%281%2F3%29\" and that
\n" ); document.write( "is just \"1%2F3\"
\n" ); document.write( "So, what if you have the strange fraction that looks like
\n" ); document.write( "\"1+%2F+%281%2F3%29\"?
\n" ); document.write( "This is the RECIPROCAL of 1/3
\n" ); document.write( "just apply the rule I gave you, but choose the \"n%2Fn\" carefully
\n" ); document.write( "multiply this fraction by 3/3. One more useful fact: you can
\n" ); document.write( "always write a number this way with out changing it:
\n" ); document.write( "\"5+=+5%2F1\" because dividing by one doesn't change the number
\n" ); document.write( "Back to the fraction \"1+%2F+%281%2F3%29\"
\n" ); document.write( "multiply it by 3/3
\n" ); document.write( "\"%283%2F3%29%2A%281%2F%281%2F3%29%29\" take a deep breath. You haven't changed anything.
\n" ); document.write( "It's still 1/3. Now just let the number on top associate with eachother and
\n" ); document.write( "same for the bottom
\n" ); document.write( "\"%283%2F3%29%2A%281%2F%281%2F3%29%29+=+%283%2A1%29+%2F+%28%283%29%2A%281%2F3%29%29\" another deep breath.
\n" ); document.write( "You still haven't changed anything
\n" ); document.write( "Now you just have to realize that \"3%2A%281%2F3%29+=+1\" Three thirds is one
\n" ); document.write( "\"%283%2A1%29+%2F+%28%283%29%2A%281%2F3%29%29+=+%283%2A1%29+%2F+1\" You still haven't changed anything
\n" ); document.write( "Now note that 3*1 = 3 just the same as 3/1 = 3 so,
\n" ); document.write( "\"%283%2A1%29+%2F+1+=+3+%2F+1\"
\n" ); document.write( "and
\n" ); document.write( "\"3%2F1+=+3\" You STILL haven't changed anything!
\n" ); document.write( "So, going ALL the way back,
\n" ); document.write( "\"1+%2F+%281%2F3%29+=+3\" The reciprocal of 1/3 equals 3.
\n" ); document.write( "Think in these tiny steps. Don't try to jerk your brain
\n" ); document.write( "ahead too far (It hurts the brain). Hope I helped
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