Question

2(x+1)=12$2(x+1)=12$

Answer 1

Atendendo ao enunciado 

2 (x + 1) = 12
2x + 2 = 12
2x = 12 - 2
2x = 10
x = 10/2

x = 5

Answer 2

2(x + 1) = 12

2 • x + 2 • 1 = 12

2x + 2 = 12

2x = 12 - 2

2x = 10

x= 10/2

x= 5