document.write( "Question 82207: The problem is: Solve the system of equations using the addition (elimination) method.
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document.write( "If the answer is a unique solution, present it as an ordered pair: (x, y). If not, specify whether the answer is “no solution” or “infinitely many solutions.”
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document.write( "x + y = 4
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document.write( "2x – y = 2\r
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document.write( "I have no clue how to even begin these types of problems. Any help is greatly appreciated. \n" );
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Algebra.Com's Answer #58898 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! x + y = 4 \n" ); document.write( "2x – y = 2 \n" ); document.write( "----------- \n" ); document.write( "In this case you can just add the two equations and the y-terms will disappear: \n" ); document.write( "Adding you get: \n" ); document.write( "3x=6 \n" ); document.write( "x=2\r \n" ); document.write( "\n" ); document.write( "------------- \n" ); document.write( "Substitute that into one of the original equations to solve for y: \n" ); document.write( "2+y=4 \n" ); document.write( "y=2 \n" ); document.write( "----------- \n" ); document.write( "Solution: \n" ); document.write( "x=2,y=2 \n" ); document.write( "============= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |