2x+y=4

The given equation is 2x + y = 4. To solve this equation, we can either find the values of x and y or rewrite it to a more convenient form.

To find the values of x and y, we need another equation with x and y. Without that, we cannot uniquely determine their values.

If you have another equation or any other information related to this problem, please provide it so that we can proceed with solving it.