Question

Solve the second equation.
2x - y = 8
First, solve for (-y).
--y =
​

Answer 1

- y = 8 - 2x

Explanation:

2x - y = 8

Subtracting 2x on both sides,

=> 2x - 2x - y = 8 - 2x

=> - y = 8 - 2x

Answer 2

`-y=-2x+8\\y=2x-8`

Explanation:

To solve, first subtract 2x from both sides.

`2x-y=8\\-y=-2x+8`

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.

`-y=-2x+8\\y=2x-8`