document.write( "Question 1152085: Jeff is 3 years older than four times the age of Adam. If the sum of their ages is 63, what is the age of Adam \n" ); document.write( "
Algebra.Com's Answer #774000 by ikleyn(52800)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "\r\n" ); document.write( "Let x be the age of Adam (the value under the question).\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Then the age of Jeff is 4x+3 years, and\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( " x + (4x+3) = 63,\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "according to the condition.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Simplify and solve for x\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( " 5x = 63 - 3 = 60\r\n" ); document.write( "\r\n" ); document.write( " x = 60/5 = 12.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "ANSWER. Adam is 12 years old.\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |