Y = mx + b, m = slope and b = y-intercept
Thus the answer is y = -3x + 7
Answer:
The result of the integration is 
Step-by-step explanation:
Integration of a power of x:
The integration of a power of x is:

In this question:
. So

The result of the integration is 
Answer:
Step-by-step explanation:
It's not clear but yeah it's fine if you ask a lot cause everytime I see this I know it's you :)
Answer:
x=21.
Step-by-step explanation:
First you distribute 3 to the parenthesis. You should get 3x-21=42 at this point. Then you add 21 to 42 to get 63. Here you should be at 3x=63. Divide 63 by 3 to get x=3