document.write( "Question 495607: I am trying to find the x and y of the following linear equation systems\r
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document.write( "2x + Y = -6
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document.write( "3x + Y = -10 \n" );
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Algebra.Com's Answer #336122 by IFY(62)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( " 2x + y = -6 ----- equation 1 \n" ); document.write( " 3x + y = -10 ----equation 2\r \n" ); document.write( "\n" ); document.write( "first of all subtract equation 1 from equation 2\r \n" ); document.write( "\n" ); document.write( " (2x - 3x)+ (y -y) = (-6 - -10)\r \n" ); document.write( "\n" ); document.write( " -x + 0 = 4\r \n" ); document.write( "\n" ); document.write( " -x = 4\r \n" ); document.write( "\n" ); document.write( " x = -4\r \n" ); document.write( "\n" ); document.write( " substitute x = -4 into equation 1\r \n" ); document.write( "\n" ); document.write( " 2x + y = -6\r \n" ); document.write( "\n" ); document.write( " 2(-4)+ y = -6\r \n" ); document.write( "\n" ); document.write( " -8 + y = -6\r \n" ); document.write( "\n" ); document.write( " y = -6 + 8\r \n" ); document.write( "\n" ); document.write( " y = 2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " { x = -4 , y = 2 } \n" ); document.write( " |