Find the y-intercept 2x - y = 7

To find the y-intercept, we need to set x = 0 and solve for y.

When x = 0, the equation becomes:
2(0) - y = 7
0 - y = 7

This simplifies to:
-y = 7

We can divide both sides of the equation by -1 to solve for y:
y = -7

Therefore, the y-intercept is -7.