document.write( "Question 648242: Find R:
\n" ); document.write( "1/R= 1/3 +1/4 \n" ); document.write( "

Algebra.Com's Answer #406601 by MathLover1(20850) $\"\"$ $\"About$

You can put this solution on YOUR website!
\r
\n" ); document.write( "\n" ); document.write( " $\"1%2FR=+1%2F3+%2B1%2F4\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"1%2FR=+%281%2A4+%2B1%2A3%29%2F%283%2A4%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"1%2FR=+%284+%2B3%29%2F12\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"1%2FR=+7%2F12\"$ ...cross multiply\r
\n" ); document.write( "\n" ); document.write( " $\"1%2A12=+7%2AR\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"12%2F7=+R\"$ \n" ); document.write( "

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