document.write( "Question 1091806: Each course at Northside Community College is worth either 3 or 4 credits. Five students sharing a house are taking a total of 26 courses that are worth a total of 92 credits. How many 3-credit courses and how many 4-credit courses are being taken? \n" ); document.write( "
Algebra.Com's Answer #706298 by josmiceli(19441)\"\" \"About 
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Let \"+x+\" = number of 3 credit courses
\n" ); document.write( "\"+26+-+x+\" = number of 4 credit courses
\n" ); document.write( "--------------------------------------
\n" ); document.write( "\"+3x+%2B+4%2A%28+26+-+x+%29+=+92+\"
\n" ); document.write( "\"+3x+%2B+104+-+4x+=+92+\"
\n" ); document.write( "\"+x+=+12+\"
\n" ); document.write( "and
\n" ); document.write( "\"+26+-+x+=+26+-+12+\"
\n" ); document.write( "\"+26+-+x+=+14+\"
\n" ); document.write( "---------------------
\n" ); document.write( "There are 12 3 credit courses
\n" ); document.write( "There are 14 4 credit courses
\n" ); document.write( "----------------------------
\n" ); document.write( "check:
\n" ); document.write( "\"+3x+%2B+4%2A%28+26+-+x+%29+=+92+\"
\n" ); document.write( "\"+3%2A12+%2B+4%2A14+=+92+\"
\n" ); document.write( "\"+36+%2B+56+=+92+\"
\n" ); document.write( "\"+92+=+92+\"
\n" ); document.write( "OK
\n" ); document.write( "
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