document.write( "Question 376296: Solve using the multiplication principle first. Then use the elimination method:
\n" ); document.write( "7p+5q=2
\n" ); document.write( "8p-9q=17\r
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Algebra.Com's Answer #267680 by user_dude2008(1862)\"\" \"About 
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7p+5q=2
\n" ); document.write( "8p-9q=17\r
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\n" ); document.write( "\n" ); document.write( "63p+45q=18
\n" ); document.write( "40p-45q=85\r
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\n" ); document.write( "\n" ); document.write( "103p=103
\n" ); document.write( "p=1\r
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\n" ); document.write( "\n" ); document.write( "7p+5q=2
\n" ); document.write( "7(1)+5q=2
\n" ); document.write( "7+5q=2
\n" ); document.write( "5q=-5
\n" ); document.write( "q=-1\r
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\n" ); document.write( "\n" ); document.write( "Answers: p=1, q=-1
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