Answer:
20
Step-by-step explanation:
2m+10=4m
10=4m-2m
10=2m
m=5
SInce m=5, XC=4m=4*5=20
y = -7.5 I believe
Y=9
Because it passes through two points in a straight line, it must have no coefficient for x, just a Y-Intercept equal to the Y of the two points.
7g = 126 is the translation
