Question

quanto e
$\frac{1}{3} + 3y = 5$

Answer 1

1/3 + 3y = 5
1/3 + 3y/1 = 5
1/3 + 9y/3 = 5
(1+9y)/3 = 5
1+9y = 5×3
1 + 9y = 15
9y = 15-1
9y = 14
y = 14/9