Final answer:
The slope of the line is 1 and the y-intercept is -3.
Step-by-step explanation:
To find the slope of the line, we can use the formula m = (change in y) / (change in x). In the equation y = x - 3, the coefficient of x is 1, which represents the slope. Therefore, the slope (m) is 1.
The y-intercept is the value of y when x = 0. In this equation, y = -3 when x = 0, so the y-intercept is -3.
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