document.write( "Question 225069: find two integers such that three times the larger minus four times the smaller is 7 and the larger is one less than two times the smaller
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Algebra.Com's Answer #168056 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Two integers, x & y; (x is larger) \n" ); document.write( ": \n" ); document.write( "Write an equation for each phrase: \n" ); document.write( ": \n" ); document.write( "\"two integers such that three times the larger minus four times the smaller is 7\" \n" ); document.write( "3x - 4y = 7 \n" ); document.write( ": \n" ); document.write( "\"the larger is one less than two times the smaller\" \n" ); document.write( "x = 2y - 1 \n" ); document.write( ": \n" ); document.write( "Use the above equation for substitution in the 1st equation; replace x: \n" ); document.write( "3(2y-1) - 4y = 7 \n" ); document.write( "6y - 3 - 4y = 7 \n" ); document.write( "6y - 4y = 7 + 3 \n" ); document.write( "2y = 10 \n" ); document.write( "y = 5 \n" ); document.write( ": \n" ); document.write( "Find x: \n" ); document.write( "x = 2y -1 \n" ); document.write( "x = 2(5) = 1 \n" ); document.write( "x = 9 \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check solution in the 1st statement \n" ); document.write( "\"find two integers such that three times the larger minus four times the smaller is 7 \" \n" ); document.write( "3(9) - 4(5) = 7 \n" ); document.write( "27 - 20 = 7 \n" ); document.write( " |