Question

Find the point where the line crosses the x-axis. –x + 2y = 8

Answer 1

The line crosses the x-axis at the y-axis. At the y-axis, the y-coordinate is 0.
Let y = 0 and solve for x.

-x + 2y = 8

-x + 2(0) = 8

-x = 8

x = -8

Answer: -8