The system of equations will be:
The slope = (-2 - 3) / (1 - 2) = -5/-1 = 5
Uin y = mx + b
slope(m) = 5
(2,3)...x = 2 and y = 3
Now sub into the formula
3 = 5(2) + b
3 = 10 + b
3 - 10 = b
-7 = b
The equation is : y = 5x - 7 or 5x - y = 7
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