Respuesta :

Answer:

[tex] \boxed{ \bold{ \huge{ \boxed{ \sf{28}}}}}[/tex]

Step-by-step explanation:

Use BODMAS rule :

Bracket , Of , Division , Multiplication , Addition , Subtraction

[tex] \sf{2 \times [ 34 - 5 \times (3 + 1) ] }[/tex]

Add the numbers : 3 and 1

[tex] \dashrightarrow{ \sf{2 \times [ 34 - 5 \times 4 ] }}[/tex]

Multiply the numbers : 5 and 4

[tex] \dashrightarrow{ \sf{2 \times [ 34 - 20 \: ]  }}[/tex]

Subtract 20 from 34

[tex] \dashrightarrow{ \sf{2 \times 14}}[/tex]

Multiply the numbers : 2 and 14

[tex] \dashrightarrow{ \sf{28}}[/tex]

Hope I helped!

Best regards! :D