Question

3 - 2 ( x - 1 ) = 1 - x

Answer 1

Resolver.

3 - 2(x - 1) = 1 - x
3 - 2x + 2 = 1 - x
5 - 2x = 1 - x
5 - 1 = - x + 2x
4 = x
x = 4

Respuesta.
x = 4