Identify examples and non examples of the standard form of a linear expression

Answer: see attachment
Step-by-step explanation:
The standard form of a linear equation is: Ax + By = C
where A, B, and C are INTEGERS.
The 1st, 3rd, & 4th equations are in the form Ax + By = C
The 2nd, 5th, & 6th equations are NOT in standard form.