The solution to the system of equations is:
(1.75, -3.5)
This can be verified by substituting these values into the original equations:
* 2x - y = 7
* 2(1.75) - (-3.5) = 3.5 - 3.5 = 0 (true)
* y = 2x
* -3.5 = 2(1.75) (true)
Therefore, (1.75, -3.5) is the solution to the system of equations.
