Answer
$y=\dfrac{8}{3}$
Work Step by Step
Add $1$ to both sides to obtain:
$5y+7+1=8y-1+1
\\5y+8=8y$
Subtract $5y$ to both sides of the equation:
$5y+8-5y=8y-5y
\\8=3y$
Divide both sides by $3$ to obtain:
$\dfrac{8}{3}=\dfrac{3y}{3}
\\\dfrac{8}{3}=y$