Respuesta :

wegnerkolmp2741o

Answer:

y = -x +b

Step-by-step explanation:

The equation of a line is

y = mx+b where m is the slope and b is the y intercept

y = -1 x +b

Substitute the point into the equation

1 = -1*2 +b

1 = -2 +b

Add 2 to each side

1+2 = -2+b+2

3 =b

y = -x +3

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