Subtract 3 from each side
y - 3 = 2x
Divide through by 2
y/2 - 3/2 = x
or x = y/2 - 3/2
Now simply switch labels: x↔y
y = x/2 - 3/2
Answer:
2/6 or 1/3 so color 2 out of the six squares
Step-by-step explanation:
1/2 - 1/6 is equal to 3/6 - 1/6 so 2/6
See attached image
