document.write( "Question 694931: Suppose you enter an elevator at a certain floor. The elevator moves up 6 floors, down 4 floors, and up 2 floors. You are then at floor 7. At which floor did you initially enter the elevator?
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Suppose you enter an elevator at a certain floor.
\n" ); document.write( " The elevator moves up 6 floors, down 4 floors, and up 2 floors.
\n" ); document.write( " You are then at floor 7. At which floor did you initially enter the elevator?
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\n" ); document.write( "Let x = floor that you initially entered
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\n" ); document.write( "x + 6 - 4 + 2 = 7
\n" ); document.write( "x + 4 = 7
\n" ); document.write( "x = 7 - 4
\n" ); document.write( "x = 3rd floor \n" ); document.write( "

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