2x+y=-2. x+y=5. the x coordinate of the solution to the system shown is

We have y = - 2 - 2x;

Then, x + (-2 - 2x) = 5;

x - 2 - 2x = 5;

- x - 2 = 5;

-x = 7;

x = - 7;

Finally, y = - 2 - 2 * ( - 7);

y = - 2 + 14;

y = 12;

The x coordinate of the solution to the system is - 7.