Answer:
75
Step-by-step explanation:
Since the two angles are on the same side of the parallelogram, they're supplementary.
x + (2x - 45) = 180
3x - 45 = 180
3x = 225
x = 75
B. y= -2x +2
the slope is negative 2 and the point where the line crosses the y-int is 2