Respuestas

2012-10-07T02:11:04+02:00

2.(x+1)=4

2x+2=4

2x=4-2

2x=2

x=1

 

SUERTE!!!!!!!!

2012-10-07T02:11:10+02:00

2(x+1) = 4  El 2 multiplica a ambos numeros asi:

2x + 2 = 4

2x = 2

x= 1

 

Rpta: 1