Respuesta :

HomertheGenius
Line l:
1 = - 2 m + b  / + ( - 1 )
1 = 4 m + b
----------------------
- 1  = 2 m - b
+
  1 = 4 m + b
--------------------
  0 = 6 m;  m = 0
  1 = 0 + b,  b = 1
 Line l:
  y = 1
The distance from point P to line l:
7 - 1 = 6
Answer: 6 units.

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