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Find Slope
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Slope = (10 - 4) / (7 - 5)
Slope = 6/2
Slope = 3
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Substitute slope in the general equation y = mx + c
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y = 3x + c
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Find y - intercept
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y = 3x + c
at point (5 ,4)
4 = 3(5) + c
4 = 15 + c
c = 4 - 15
c = -11
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Substitute y-intercept into the equation y = 3x + c
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y = 3x + c
y = 3x - 11
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Answer: y = 3x - 11
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