Solve for x
x=4-2y
Solve for y
y=-\frac{x}{2}+2
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x+2y=4
Add 0 and 4 to get 4.
x=4-2y
Subtract 2y from both sides.
x+2y=4
Add 0 and 4 to get 4.
2y=4-x
Subtract x from both sides.
\frac{2y}{2}=\frac{4-x}{2}
Divide both sides by 2.
y=\frac{4-x}{2}
Dividing by 2 undoes the multiplication by 2.
y=-\frac{x}{2}+2
Divide 4-x by 2.
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