Respuesta :

Subtract 5 from both sides which will give I 2x= 7 then divide each side by 2 which would make x=3.5

Answer:

x=3.5

Step-by-step explanation:

2x + 5 =12

2x = 12 - 5

2x= 7

2x÷ 2 = 7÷2

x=3.5