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Resolver.
16 + 7x - 5 + x = 11x - 3 -x
Agrupamos los términos semejantes.
7x + x + x - 11x = -3 - 16 + 5
- 2x = - 14
x = -14/-2 <=== regla de signos (-)(-) = +
x = 7
Respuesta.
7