I would suggest a more clear definition.Five years ago, John’s age was half of the age he will be in 8 years. Set up the equation(s) that lead to the answer. DO NOT solve.
Solution:
Let x = John's age
x - 5 = (1/2)(x + 8)
Is this right?
I would suggest a more clear definition.
x = John's age TODAY.
Yes, I do agree with x=John's age now
There is no need to ask us if you are correct. You can solve for x and see if it lives up to what you are given.
Forums like this are good but students (and of course you are a student!) need not to depend on it too much.
I am NOT saying that you are but just suggesting that you be careful.
Learning comes from hard work with no short cuts.
Good for you!I will try to check the work myself when time allows.