Answer:
(7, 10.5)
Explanation:
just going to use substitution here.
so you would substitute the y value in the equation x-2y=-14 with 2x-3.5.
it should look like: x-2(2x-3.5)=-14
solve the equation and you get x=7.
plug in 7 for x in either equation and you get y= 10.5.