document.write( "Question 147671: A man and his brother have a combined age of 164 years. 46 years ago, the man was 7 times as old as his brother. How old is the man? How old is the brother? \n" ); document.write( "
Algebra.Com's Answer #108040 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! \"A man and his brother have a combined age of 164 years\" __ m+b=164 __ subtracting b __ m=164-b\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "\"46 years ago, the man was 7 times as old as his brother\" __ m-46=7(b-46) __ distributing __ m-46=7b-322\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "substituting __ (164-b)-46=7b-322 __ 118-b=7b-322 __ adding b+322 __ 440=8b __ dividing by 8 __ 55=b\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "substituting __ m=164-(55) __ m=109 \n" ); document.write( " |