document.write( "Question 347898: Find the solution(s), if any, to the system
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document.write( "4x-6y=12
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document.write( "6x-9y=15 \n" );
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Algebra.Com's Answer #248732 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 4x-6y=12 \n" ); document.write( "6x-9y=15 \n" ); document.write( "-------------- \n" ); document.write( "Divide thru the 1st equation by 2. \n" ); document.write( "Divide thru the 2nd equation by 3. \n" ); document.write( "---- \n" ); document.write( "2x - 3y = 6 \n" ); document.write( "2x - 3y = 5 \n" ); document.write( "---- \n" ); document.write( "Subtract: \n" ); document.write( "0 = 1 \n" ); document.write( "----- \n" ); document.write( "That contradiction occurred because I assumed \n" ); document.write( "the x's were the same and the y's were the \n" ); document.write( "same in the two equations. \n" ); document.write( "--- \n" ); document.write( "They are not. \n" ); document.write( "The system is inconsistent. \n" ); document.write( "The lines are parallel. \n" ); document.write( "There is no solution for this system of equations. \n" ); document.write( "========================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============= \n" ); document.write( " |