document.write( "Question 805327: the teacher said if u multiply my age by 3 then subtract 20 the result is 100 how old is the teacher \n" ); document.write( "
Algebra.Com's Answer #485179 by mananth(16946)![]() ![]() You can put this solution on YOUR website! teacher's age =x \n" ); document.write( "multiply by 3\r \n" ); document.write( "\n" ); document.write( "=3x \n" ); document.write( "subtract 20 \n" ); document.write( "3x-20\r \n" ); document.write( "\n" ); document.write( "3x-20=100\r \n" ); document.write( "\n" ); document.write( "+20 \n" ); document.write( "3x-20+20 =100+20 \n" ); document.write( "3x=120\r \n" ); document.write( "\n" ); document.write( "/3 \n" ); document.write( "x=120/3 \n" ); document.write( "x= 40\r \n" ); document.write( "\n" ); document.write( "Teacher's age =40 \n" ); document.write( " |