document.write( "Question 560347: How do I solve
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document.write( "3x+2y=14
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document.write( "x-3y=-10? \n" );
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Algebra.Com's Answer #363858 by subudear(62)![]() ![]() ![]() You can put this solution on YOUR website! 3x+2y=14 ......(1) \n" ); document.write( "x-3y=-10 .......(2)\r \n" ); document.write( "\n" ); document.write( "multiply equation (2) by 3 and subtract from equation (1)\r \n" ); document.write( "\n" ); document.write( "3x+2y=14 \n" ); document.write( "3x-9y=-30 \n" ); document.write( "- + +\r \n" ); document.write( "\n" ); document.write( "we get 11y = 44 \n" ); document.write( " y = 4\r \n" ); document.write( "\n" ); document.write( "replace y = 4 in any eqaution, lets say (1) we get\r \n" ); document.write( "\n" ); document.write( "3x + 2*4 = 14 \n" ); document.write( "x = 2\r \n" ); document.write( "\n" ); document.write( "so solution is x = 2 and y =4 \n" ); document.write( " \n" ); document.write( " |