exam Maths Puzzle Numerical Ability

Translate the following statement into an algebraic equation. Let x represent the number.times a number that is 14 more than that number.

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Thanks for your help!!
Jill has $3.50 in nickles and dimes.If she has 50 coins, how many of each type of coin does she have? McGraw Hill 6th edition,8.2, # 56. I am trying to help my granddaughter and need to explane this to her.

x + 4 = y -2 y = x + x + x

I got x = 2 and y = 6 but was told it was wrong. Help Please