Answer :
5x - 7y = 14 subtract 5x from both sides
-7y = 14 - 5x divide everything by -7
y = (5/7)x - 2
-7y = 14 - 5x divide everything by -7
y = (5/7)x - 2
[tex]5x - 7y = 14\\\\
5x = 14 + 7y\\
7y = -5x + 14\\\\
\boxed{y = -(5/7)x + 14} ---(Required)
[/tex]