Answer:
That is the last option.
2x + 4y = 12.
3x + y = 8.
Explanation:
Simplifying the first equation:
4(x + y) = 2x + 12
4x + 4y = 2x + 12 Subtract 2x from both sides:
2x + 4y = 12
Simplifying the second one:
4x + y = x + 8 Subtracting x from both sides:
3x + y = 8.