Respuesta :

I hope this helps you
Ver imagen Аноним
SJ2006
(√2y - 1) -1 = 2
(√2y - 1) = 3
(√2y - 1)² = 3²
2y - 1² = 9
2y = 9 + 1
2y = 10
y = 10/2
y = 5

So, your final answer is 5

Hope this helps!