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That's correct, but again there is an equation to be found and solved :)
There are two points in time, now and then.
We define x as Jimmy's age now."Then" is when Tom was x years old.
To get from now to then (reading Tom's line) we subtract 24 and add x, hence the bottom right cell is x−24+x=2x−24.
Now the equation is simply 2×(2x−24)=24, or x=18.
Haha I basically stumbled upon my answer as I was trying to figure out what the right equation is
That's correct, but again there is an equation to be found and solved :)
There are two points in time, now and then.
We define x as Jimmy's age now.
"Then" is when Tom was x years old.
To get from now to then (reading Tom's line) we subtract 24 and add x, hence the bottom right cell is x−24+x=2x−24.
Now the equation is simply 2×(2x−24)=24, or x=18.