document.write( "Question 886955: the sum of two numbers is 630. one number is 10 less than 7 times the other find the numbers \n" ); document.write( "
Algebra.Com's Answer #536252 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! the sum of two numbers is 630. one number is 10 less than 7 times the other find the numbers \n" ); document.write( "==== \n" ); document.write( "Equations: \n" ); document.write( "x + y = 630 \n" ); document.write( "x = 7y-10 \n" ); document.write( "------- \n" ); document.write( "Substitute for \"x\" and solve for \"y\": \n" ); document.write( "7y-10 + y = 630 \n" ); document.write( "----- \n" ); document.write( "8y = 640 \n" ); document.write( "y = 80 \n" ); document.write( "----- \n" ); document.write( "Solve for \"x\": \n" ); document.write( "x = 7y-10 \n" ); document.write( "y = 7*80-10 \n" ); document.write( "y = 550 \n" ); document.write( "------------------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------------------- \n" ); document.write( " \n" ); document.write( " |