This picture should provide a full answer. What I did was rearrange the equation to get Tan(x) on one side, then in order to get rid of the Tan, I used Arctan, which got us the final answer.
Answer:
the answer is 6
Step-by-step explanation:

Answer:
C(3, 0)
Explanation:
A(4, 0) and B(3, 7)
<u>When Drawn These Two coordinates</u>
Identify the coordinates which make the triangle 90° (right angle triangle)
<u>Stated that the Point C is on the x-axis</u>, the value of y will be 0
Coordinates of C: (3, 0)