document.write( "Question 604614: Solve by the elimination method. \r
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document.write( "4x-y=25
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document.write( " x+y=15 \n" );
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Algebra.Com's Answer #381300 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! Hint: add the two equations together (by adding the corresponding sides) to get\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( " 4x-y=25\r\n" ); document.write( "+ x+y=15\r\n" ); document.write( "------------\r\n" ); document.write( " 5x+0y=40\r\n" ); document.write( "\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So we get the new equation 5x = 40. Solve this for 'x'. Once you have the solution, use it and plug it into any equation with 'y' to solve for 'y'. \n" ); document.write( " |