document.write( "Question 230067: I need to translate each sum sentence into an equation. then find each number
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document.write( "Mary is 30 years old. this is 5 less than 7 times her son's age. \n" );
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Algebra.Com's Answer #170437 by rapaljer(4671)![]() ![]() You can put this solution on YOUR website! Let x = the son's age \n" ); document.write( "7x-5 = Mary's age\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Since Mary's age is 30,\r \n" ); document.write( "\n" ); document.write( "7x-5=30\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Add +5 to each side: \n" ); document.write( "7x-5+5=30+5 \n" ); document.write( "7x=35 \n" ); document.write( "x=5 Son's age \n" ); document.write( "7x-5= Mary's age \n" ); document.write( "7*5-5= 35-5=30 It checks!!\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Dr. Robert J. Rapalje, Retired \n" ); document.write( "Seminole State College of Florida \n" ); document.write( "Altamonte Springs Campus \n" ); document.write( " |