-2x - y = 10

Answer 1

To solve the equation -2x - y = 10 for y, we need to isolate y on one side of the equation.

First, let's move the -2x term to the right side by adding 2x to both sides:

-2x - y + 2x = 10 + 2x

Simplifying, we have:

-y + 2x = 10 + 2x

Next, let's move the 2x term to the left side by subtracting 2x from both sides:

-y + 2x - 2x = 10 + 2x - 2x

Simplifying, we have:

-y = 10

Finally, let's multiply both sides by -1 to solve for y:

-1 * -y = -1 * 10

This gives us:

y = -10

So, the solution for the equation -2x - y = 10 is y = -10.