Respuesta :

Answer:

20

Step-by-step explanation:

=> 3(b+a)-c

Putting a = 5, b = 4 and c = 7

=> 3(4+5)-7

=> 3(9)-7

=> 27-7

=> 20

Answer:

20

Step-by-step explanation:

3(b+a)-c

=3(4+5)-7

=3(9)-7

=27-7

=20

ACCESS MORE
EDU ACCESS
Universidad de Mexico