document.write( "Question 117160: Solve the system of the equations. I need to know how to work this problem out.\r
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document.write( "1. -2x-6y=-2
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document.write( " 2x +3y=5
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document.write( "(this is all one problem)\r
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document.write( "2. 4x+y=5
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document.write( " 2x-5y =19 \n" );
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Algebra.Com's Answer #85220 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! -2X-6Y=-2 \n" ); document.write( "2X+3Y=5 NOW ADD THESE 2 EQUATIONS \n" ); document.write( "----------------------------------- \n" ); document.write( "-3Y=3 \n" ); document.write( "Y=3/-3 \n" ); document.write( "Y=-1 ANSWER. \n" ); document.write( "-2X-6*-1=-2 \n" ); document.write( "-2X+6=-2 \n" ); document.write( "-2X=-2-6 \n" ); document.write( "-2X=-8 \n" ); document.write( "X=-8/-2 \n" ); document.write( "X=4 ANSWER. \n" ); document.write( "---------------------------------------- \n" ); document.write( "4X+Y=5 NOW MULTIPLY THE OTHER EQUATION BY -2 \n" ); document.write( "-4X+10Y=-38 \n" ); document.write( "----------------------- \n" ); document.write( "11Y=-33 \n" ); document.write( "Y=-33/11 \n" ); document.write( "Y=-3 ANSWER. \n" ); document.write( "4X-3=5 \n" ); document.write( "4X=5+3 \n" ); document.write( "4X=8 \n" ); document.write( "X=8/4 \n" ); document.write( "X=2 ANSWER. \n" ); document.write( " |