Question

determine 0 zero ou raízes da função
y=5x-10

Answer 1

$y=5x-10\\\\ 5x-10=0\\\\5x=10\to\\\\ x= \dfrac{10}{5} \to\\\\x=2\\\\\\ \boxed{S=\{2\}}$

Answer 2

y = 5x - 10
0 = 5x - 10
10 = 5x
5x = 10
x = 10/5
x = 2