Linear equations in two unknowns/ simultaneous equations pls help! There is a three-digit positive integer. The sum of the hundreds digit and the units digit is 13. If the hundreds digit and the units digit are reversed, the value of the integer will be increased by 495.

(a) find the hundreds digit and the units digit of the original integer.
(b) If the original number is divisible by 3, write down all the possible values of the original integer.

FULL STEPS REQUIRED THANK YOUU!