Answer:
[tex]-y=-2x+8\\y=2x-8[/tex]
Step-by-step explanation:
To solve, first subtract 2x from both sides.
[tex]2x-y=8\\-y=-2x+8[/tex]
You appear to want the solution for -y, so I've included it. Given that you also want the solution for y, divide both sides by -1.
[tex]-y=-2x+8\\y=2x-8[/tex]
