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2x - 2x + 6 - 2 - x = 0
6 - 2 - x = 0
4 = x
2.(x-1)-(2x-6)-x
Aplicas propiedad distributiva
2x - 2 - 2x + 6 - x
2x - 2x - x - 2 + 6
- x + 4
Respuesta
- x + 4