2x+y=4

This is a linear equation in two variables, x and y. To find the solution, we can solve for one variable in terms of the other and substitute it back into the equation.

Rearrange the equation:

2x + y = 4

Subtract 2x from both sides:

y = 4 - 2x

Now, we have solved for y in terms of x. This is the equation of a straight line in slope-intercept form (y = mx + b), where the slope (m) is -2 and the y-intercept (b) is 4.

To find the solution to this equation, you can choose any value for x and plug it into the equation to get the corresponding value of y. Alternatively, you can plot the equation on a graph and find the coordinates of the points of intersection with other lines, if any.