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)\"\" \"About 
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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( "
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