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Answer: y+1=-2(x-1)

Step-by-step explanation:

The point-slope formula is [tex]y-y_{1}=m(x-x_{1})[/tex]. Since we know the coordinate and slope, we can directly plug them in.

[tex]y-(-1)=-2(x-1)[/tex]

[tex]y+1=-2(x-1)[/tex]

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