Question 297417
You can't solve this. Solving means to find the
numerical values of the unknowns, x and y
In order to solve, the number of unknowns must
equal the number of equations. You have 2 unknowns 
and only 1 equation.
You can make an x-y plot of the equation. It's a 
straight line and here it is:
{{{ graph( 500, 500, -10, 10, -10, 10, -(1/2)*x + 2) }}}