document.write( "Question 972320: Find the value of k if 5x +7y = k and 10x + 14y = 3 have infinite number of solutions. \n" ); document.write( "
Algebra.Com's Answer #594663 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Find the value of k if \n" ); document.write( "5x +7y = k \n" ); document.write( "10x + 14y = 3 \n" ); document.write( "------ \n" ); document.write( "Modify for elimination:: \n" ); document.write( "10x + 14y = 2k \n" ); document.write( "10x + 14y = 3 \n" ); document.write( "----- \n" ); document.write( "Subtract to get: \n" ); document.write( "0 = 2k-3 \n" ); document.write( "k = 3/2 \n" ); document.write( "============= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------------ \n" ); document.write( " \n" ); document.write( " |