Answer:
Step-by-step explanation:
terms is x first then terms in y and constant after the equals
Its C
Answer:
x=3
Step-by-step explanation:
A similar because all triangles add up to 180 ,
they both have 80 so leaves 100 degrees left..
and they both have the same #'s 80, 60, & 40 degrees equal to 180 degrees
