Find an equation of the line in the form ax + by = c whose x-intercept is 12 and y-intercept is 4, where a, b, and c are integers with no factor common to all three, and a ≥0. What is the slope of the line whose x-intercept is 12 and y-intercept is 4? 1 3 B. The slope is undefined. A. The slope is (Type an integer or a simplified fraction.) The equation of the line is. (Simplify your answer.)