document.write( "Question 635249: This is substitution:\r
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document.write( "x+2y=10
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document.write( "3x-2y=-2 \n" );
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Algebra.Com's Answer #400200 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! This is substitution:\r \n" ); document.write( "\n" ); document.write( "x+ 2y=10 \n" ); document.write( "3x-2y=-2 \n" ); document.write( "------------- No, it's elimination. Add them. \n" ); document.write( "4x = 8 \n" ); document.write( "etc \n" ); document.write( " |