Question

Afla valoarea lui a (9×4-2×8)-5×a=5 clasa a 2 a

Answer 1

(36-16)-5xa=5
20-5xa=5
5xa=15

a=3

Answer 2

(9 · 4 - 2 · 8) - 5 · a = 5
(36 - 16) - 5 · a = 5
20 - 5 · a = 5
5 · a = 20 - 5
5 · a = 15
a = 15 : 5
a = 3