Question

10-4y=y qual s resposta

Answer 1

10 - 4y = y 
-4y -y = -10
-5y = -10
y = -10 / - 5
y = 2

Answer 2

- 4y - y = -10
-5y = -10 (multiplicando por: (-1)
5y =10
y = 10/5
y = 2