Answer:
y = 4/7x + 13/7
Explanation:
m = 3+1/2+5 = 4/7
i used the coords (-5, -1)
y + 1 = 4/7 (x+5)
y + 1 = 4/7x + 20/7
y = 4/7x + 20/7 - 1
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