document.write( "Question 1141308: SOLVE EACH OF THE FOLLOWING PAIR OF SIMULTANEOUS EQUATIONS:\r
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document.write( "1. 2X+5Y=-7 AND X-Y=7\r
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document.write( "2. 2/15M - 7/30N = 1 5/6 AND M-N = 10 \n" );
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Algebra.Com's Answer #761834 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! 2X+5Y=-7 AND X-Y=7 \n" ); document.write( "2x-2y= 14 \n" ); document.write( "--------------------------------- Subtract \n" ); document.write( "================== \n" ); document.write( "If you mean: \n" ); document.write( "(2/15)m - (7/30)n = 1 5/6 = 11/6 \n" ); document.write( "Multiply by 30 \n" ); document.write( "4m - 7n = 55 \n" ); document.write( "m-n = 10 ---> m = n+10 \n" ); document.write( "Sub for m \n" ); document.write( "4(n+10) - 7n = 55 \n" ); document.write( "etc \n" ); document.write( " \n" ); document.write( " |