document.write( "Question 392060: Use substitution to determine if the given ordeded pair is an element of the solution set ofr the system of equations\r
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document.write( "(2,8)
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document.write( "y-2x=4
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document.write( "2y+x=-8 \n" );
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Algebra.Com's Answer #278266 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! y-2*2=4 \n" ); document.write( "y=8 \n" ); document.write( "------------- \n" ); document.write( "2*8+x=-8 \n" ); document.write( "16+x=-8 \n" ); document.write( "x=24 \n" ); document.write( "doesn't work \n" ); document.write( " |