Question

Si 2(x-1)+5=3(x-1)-7
¿Cuánto vale x?

Answer 1

Resolver.

2(x - 1) + 5 = 3(x - 1) - 7
2x - 2 + 5 = 3x - 3 - 7
2x + 3 = 3x - 10
3 + 10 = 3x - 2x
13 = x

Respuesta.
x = 13