If the question is supposed to be

Now multiply both sides by 3 to get 3(-21)=-63=e
Celculate the figures by using the numbers,with letters
Answer:
Here
Step-by-step explanation:
Just pick numbers and substitute it into the equation for x
I believe it's 199,000 to the nearest 1,000 and
200,000 to the nearest 10,000
Radians = degrees * pi/180 therefore
120 degrees * pi /180 = 2/3 pi