Question

(-8)+(+10)+(-15)+(-20) me ajudem

Answer 1

(-8)+(+10)+(-15)+(-20)

Retirando dos parenteses:

-8 + 10 - 15 -20

2 - 15 - 20

-13 - 20

= -33

Answer 2

$( - 8) + ( + 10) + ( - 15) + ( - 20) \\ - 8 + 10 - 15 - 20 \\ 10 - 43 = - 33$