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x+1 -2x - 2 = 2
-x - 1 = 2
-1-2 = x
-3 = x
(x+1)-(2x+2) = 2
Eliminamos paréntesis
x + 1 - 2x - 2 = 2
Reducimos ´términos semejantes
- x - 1 = 2
El - 1 lo pasas al lado derecho de la igualdad con signo contrario al que ya posee.
- x = 2 + 1
- x = 3
x = - 3
Respuesta.
x = - 3