Question

1=Resolva a equação.
a)10-4y=y

Answer 1

10-4y=y

10=5y

y=10/5

y=2

Answer 2

$\mathtt{10-4y = y} \\ \mathtt{y = 10 - 4y} \\ \mathtt{y + 4y = 10} \\ \mathtt{5y = 10} \\ \mathtt{y = 10\div5} \\ \mathtt{y = 2} \\ \\ \\ \boxed{\boxed{\mathtt{Resposta: y = 2}}}$