X=120
This is the answer because 120-21=99
Answer: 6
Step-by-step explanation:
the biggest number that can go into both 24 and 18 evenly is 6. 24/6 is four, and 18/6 is three
X=2
its x=2 because you have to divide -20x by -40 so the two negatives cancel out each other and then you get 2.
They are all supplementary to each other because supplementary means that they all add up to 180