first get all variables on the same side, then use elimination to solve.
x = -3
y = -11
Find mph
120/3 = 40 mph
200/40 = 5 hours to travel 200 miles
i would pick number C) since i think it would be the correct answer
Answer:
7d+11
Step-by-step explanation:
Pretty much just addition.
3d+4d+2+9
(3d+2)+(4d+9) = 7d+11.
