Simplify 10x + 7y − 4x + y show steps please

On a architect's drawing of a house, 1 inche representa 1.5

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

Anyone know? will mark brainliest if correct