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The equation of the line that passes through the points can be given as y = mx+c.
gradient(m) `= (4-(-5))/(2-(-1)) = 9/3 = 3`
So the equation of the line will be `y = 3x+c.`
This line passes through point (2,4).
`4 = 3xx2+c`
`c = -2`
So the equation of the line is `y = 3x-2` .
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