document.write( "Question 85367: Solve each of the following by subtraction.
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document.write( "5x – 2y = -5 y – 5x = 3 \r
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document.write( "8x – 4y = 16 y = 2x – 4 \r
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document.write( "4x – 12y = 5 -x + 3y = -1\r
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document.write( "10x + 2y = 7 y = -5x + 3 \n" );
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Algebra.Com's Answer #61552 by checkley75(3666)![]() ![]() ![]() You can put this solution on YOUR website! 5X-2Y=-5 \n" ); document.write( "-5X+Y=3 \n" ); document.write( "------------- \n" ); document.write( "-Y=-2 \n" ); document.write( "Y=2 ANSWER. \n" ); document.write( "-------------------------------------- \n" ); document.write( "8X-4Y=16 NOW MULTIPLY THE SECOND EQUATION BY 4 & ADD. \n" ); document.write( "-8X+4Y=-16 \n" ); document.write( "-------------- \n" ); document.write( "0X+0Y=0 NO SOLUTION AS THESE ARE THE SAME EQUATION WITH 2 UNKNOWNS. \n" ); document.write( "-------------------------------------- \n" ); document.write( "I'LL LEAVE THE REST FOR YOU TO MASTER. \n" ); document.write( " \n" ); document.write( " |