Answer:
I believe the answer is 7
Answer:

Step-by-step explanation:
because
is 11-4, which is 7. And you don't change the x.
That would be 3AB because of the expression you have
Answer:
the answer is going to be D. (3,4,5,8,9,3)
Y-2x=-3.5
x-2y=-14
then multiply the first term by 2
2y-4x=-7
x-2y=-14
then sum them
-3x=-21
x=-7
y=3.5