Answer:
The angle that the line makes with x-axis of of 64.3º.
Explanation:
Equation of a line, and angle with the x axis:
The equation of a line has the following format:

In which m is the slope.
The angle that the line makes with the x axis is given by the angle which has tangent m, that is,
.
In this question:
We have that
. So

The angle that the line makes with x-axis of of 64.3º.