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