Question

resolva as ecuaçôes 5 +3a=20

Answer 1

5 + 3a = 20
3a = 20 - 5
3a = 15
a = 15/3
a = 5

Resposta: a = 5

Answer 2

5 + 3a = 20
3a = 20 - 5
3a = 15
A = 15 / 3
A = 5