Answer :
[tex]7x-10y=-14\ \ \ \| add\ 10y\\\\
7x=-14+10y\ \ \ \ | add\ 14\\\\
7x+14=10y\ \ \ \ | divide\ by\ 10\\\\
\boxed{y=0,7x+1,4}[/tex]
[tex]7x - 10y = - 14 \\
- 10y = - 7x - 14 \\
y = (- 7x - 14) : (- 10) \\
y = (7x + 14) : 10 \\
\boxed{y= \frac{7(x+2)}{10} }[/tex]