What is an equation of the line that passes through the point (5, 1) and is parallel to the line x + y = 9?

Which equation requires the division property of equality to be solved?

To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis.how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers