It is a three-digit whole number. Its ones digit is the product of its hundreds digit and its tens digit.
It is an even number.
It has one odd digit.
Its hundreds digit is 4 less than its ones digit.
Each of its digits is different.
Its tens digit is greater than its hundreds digit.
It is less than 500.
Its tens digit is 3 less than its ones digit.
Its hundreds digit is 2.

What am I?

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.