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2 (x - 1) - 3
Como x = 2
Reemplazamos:
2 (x - 1) - 3 =
2 (2 - 1) - 3 =
2 (1) - 3 =
2 - 3 =
- 1
Respuesta
- 1
2-1:1
1-3
-2
el resultado seria -2