Question

calcule o valor numerico das expressões algebricas

Answer 1

a + b + c / 5 =  $\frac{-3-9-8}{5}$

-20 / 5 = -4

Answer 2

a+b+c
--------
5

(-3)+(-9)+(-8)
-----------------
5

-3-9-8
---------
5

-20
------
5

= -4