document.write( "Question 1109278: A textbook store sold a combined total of
\n" ); document.write( "439
\n" ); document.write( " sociology and psychology textbooks in a week. The number of sociology textbooks sold was
\n" ); document.write( "75
\n" ); document.write( " more than the number of psychology textbooks sold. How many textbooks of each type were sold?
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Algebra.Com's Answer #724265 by Boreal(15235)\"\" \"About 
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psych=x
\n" ); document.write( "soc=x+75
\n" ); document.write( "add to 439
\n" ); document.write( "2x+75=439
\n" ); document.write( "2x=364
\n" ); document.write( "x=182 psych
\n" ); document.write( "x+75=257 soc ANSWER
\n" ); document.write( "add to 439
\n" ); document.write( "
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