Answer:
X=7-y over 2
Step-by-step explanation:
Subtract yy from both sides.
2x=7-y2x=7−y
2 Divide both sides by 22.
x=\frac{7-y}{2}x=
2
7−y
y=-2x+7
Add -2x to both sides
2x+y+(−2x)=7+(-2x)
