document.write( "Question 59507: Can someone help me on this problem?\r
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document.write( " I need t solve the system by addition:\r
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document.write( " x + y = 6
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document.write( " x - y = 4\r
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document.write( "Thank you,
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document.write( " Lisa \n" );
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Algebra.Com's Answer #40772 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! x + y = 6 \n" ); document.write( "x - y = 4 \n" ); document.write( "--------------- \n" ); document.write( "Add the two quations to get: \n" ); document.write( "2x=10 \n" ); document.write( "x=5 \n" ); document.write( "Substitute into the 1st equation to solve for \"y\": \n" ); document.write( "5+y=6 \n" ); document.write( "y=1 \n" ); document.write( "SOLUTION: \n" ); document.write( "x=5, y=1 \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |