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y1= - 3
x2= - 3
y2= 2
y - y1 / y2 - y1 = x - x1 / x2 - x1
y -(-3) / 2 - (-3) = x - 2 / (-3) - 2
y + 3 / 5 = x - 2 /-5
-5( y + 3) = 5( x - 2)
-5y - 15 = 5x -10
-5y = 5x -10 + 15
-5y = 5x + 5 (÷(-5))
y = - x -1