Question 937525
I'm assuming you want to solve for y. If so, then you'd follow these steps



{{{x+2y=4}}}



{{{2y=4-x}}}



{{{2y=-x+4}}}



{{{y=(-x+4)/2}}}



{{{y=(-x)/2+(4)/2}}}



{{{y=-expr(1/2)x+2}}}