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Answer: y=-4x+7
Step-by-step explanation:
(1, 3) and (-1, 11)
m=(y2-y1)/(x2-x1) ==> Slope formula
m=(11-3)/(-1-1)
m=8/(-2)
m=-4
y=mx+b
3=-4(1)+b
3=-4+b
b=7
y=-4x+7