document.write( "Question 572319: This solve by substitution method is really confusing me I really need help with this please\r
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document.write( "2x+2y=2
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document.write( "-8x+y=28 \n" );
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Algebra.Com's Answer #368364 by rfer(16322) ![]() You can put this solution on YOUR website! y=8x+28 \n" ); document.write( "2x+2y=2 \n" ); document.write( "2x+2(8x+28)=2 \n" ); document.write( "2x+16x+56=2 \n" ); document.write( "18x=-54 \n" ); document.write( "x=-54/18 \n" ); document.write( "x=-3 \n" ); document.write( "----------------- \n" ); document.write( "2*-3+2y=2 \n" ); document.write( "-6+2y=2 \n" ); document.write( "2y=8 \n" ); document.write( "y=8/2 \n" ); document.write( "y=4 \n" ); document.write( "--------------- \n" ); document.write( "-8(-3)+4=28 \n" ); document.write( "24+4=28 \n" ); document.write( "I hope that helps. \n" ); document.write( "Bob \n" ); document.write( " |