Question 314533
Tom has to be the age of -9 and Mike has to be the age of -13. That is the only way for it to work, in real life, its impossible because you cannot be of negitive age. consider this equation:

A is Tom
B is Mike

using system equations of:

A + 4 = B
B - 5 = 2A

Solve for B in the second equation, and plug the solved B into the first equation to find A. Done and Done.