Question

$\frac{y}{7}-1 = 8$

Explanation:

Step1: Add 1 to both sides

$\frac{y}{7}-1 + 1=8 + 1$
$\frac{y}{7}=9$

Step2: Multiply both sides by 7

$\frac{y}{7}\times7=9\times7$
$y = 63$

Answer:

$y = 63$