Nick is now seven times as old as Harry. In 6 years, Nick will be five times as old as Harry. How old will Harry be in 6 years?
If X represents Harry’s age now, then which of the following equations could be used to solve the problem.
• 7x=5x+6
• 5(7x+6) =X+6
• 7x+6=5(X+6)
