The y-intercept of an equation is the point where the line crosses the y-axis.
In the equation y = 5x + 5, the y-intercept is the value of y when x is equal to 0.
If we substitute 0 for x, we get:
y = 5(0) + 5 = 5
Therefore, the y-intercept of the equation y = 5x + 5 is 5.