document.write( "Question 214398: How do I solve this problem by graphin\r
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document.write( " x+y=3\r
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document.write( " 2x+y=1 \n" );
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Algebra.Com's Answer #161937 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! How do I solve this problem by graphin \n" ); document.write( "x+y=3 \n" ); document.write( "2x+y=1 \n" ); document.write( "------ \n" ); document.write( "They're 2 linear equations, meaning their graphs are straight lines. \n" ); document.write( "----- \n" ); document.write( "Find 2 points for each eqn. \n" ); document.write( "x+y = 3 \n" ); document.write( "x...y \n" ); document.write( "0...3 --> (0,3) \n" ); document.write( "3...0 --> (3,0) \n" ); document.write( "Plot the 2 points, draw a line thru them \n" ); document.write( "-------- \n" ); document.write( "Do the same for the other eqn. \n" ); document.write( "The intersection of the lines is the solution. \n" ); document.write( " \n" ); document.write( " |