# How do you write an equation of a line with Slope = 4, passing through (1, 3)?

Line equation: y = 4x + b. Find b in writing that line passing at point (1, 3)

3 = 4x + b = 4 + b --> b = 3 - 4 = -1

Equation of the line: y = 4x - 1

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To write the equation of a line with a slope of 4 passing through the point (1, 3), you can use the point-slope form of a linear equation, which is y - y1 = m(x - x1), where (x1, y1) is the given point and m is the slope. Substituting the given values, the equation becomes y - 3 = 4(x - 1).

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