document.write( "Question 435713: Solve by the elimination method.
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document.write( "2r-9s=-70
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document.write( "9r+2s=25 \n" );
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Algebra.Com's Answer #301607 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! 2r-9s=-70 \n" ); document.write( "9r+2s=25 \n" ); document.write( "------------- \n" ); document.write( "_4r-18s=-140 \n" ); document.write( "81r+18s=+225 \n" ); document.write( "85r=85 \n" ); document.write( "r=1 \n" ); document.write( "s=8. \n" ); document.write( " |