document.write( "Question 1030204: The sum of twice a number and three times another number is 120. Four times the first number plus the second number is 64. Calculate the value of the two numbers
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Algebra.Com's Answer #645092 by stanbon(75887) ![]() You can put this solution on YOUR website! The sum of twice a number and three times another number is 120. Four times the first number plus the second number is 64. Calculate the value of the two numbers. \n" ); document.write( "----- \n" ); document.write( "Equations:: \n" ); document.write( "2x + 3y = 120 \n" ); document.write( "4x + y = 64 \n" ); document.write( "--------------------- \n" ); document.write( "Modify for elimination: \n" ); document.write( "2x + 3y = 1203 \n" ); document.write( "12x + 3y = 192 \n" ); document.write( "------ \n" ); document.write( "Subtract and solve for \"x\":: \n" ); document.write( "10x = 72 \n" ); document.write( "x = 7.2 \n" ); document.write( "------ \n" ); document.write( "Solve for \"y\":: \n" ); document.write( "y = -4x + 64 \n" ); document.write( "y = -28.8 + 64 \n" ); document.write( "y = 35.2 \n" ); document.write( "------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "----------- \n" ); document.write( " \n" ); document.write( " |