Question

-21-(-7)+4•(-7)-12 ayúdenme a resolver

Answer 1

21+(-7)+4.(-7)-12
21-7+4.(-7)-12
14-7+4.(-7)-12
7+4.(-7)-12
11.-7-12
11.-19
-209

Answer 2

-21-(-7)+4*(-7)-12
-21-(-7)+(-28)-12
-14+(-28)-12
-42-12
-54