document.write( "Question 1074933: how old is the teacher if in 12 years she will be 3 times as old she was 32 years ago \n" ); document.write( "
Algebra.Com's Answer #689597 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! how old is the teacher if in 12 years she will be 3 times as old she was 32 years ago \n" ); document.write( ": \n" ); document.write( "let a = the present age \n" ); document.write( "a + 12 = 3(a - 32) \n" ); document.write( "a + 12 = 3a - 96 \n" ); document.write( "12 + 96 = 3a - a \n" ); document.write( "108 = 2a \n" ); document.write( " a = 108/2 \n" ); document.write( " a = 54 yrs is the present age \n" ); document.write( ": \n" ); document.write( "; \n" ); document.write( "Check this \n" ); document.write( "54 + 12 = 3(54 - 32) \n" ); document.write( "66 = 3(22) \n" ); document.write( " |