One way you could solve the system of equations of y is using the process of elimination.
-2(5x+2y=7)
-5(-2x+6y=9)
-10x-4y=-14
10x-30y=-45
-------------------
-34y=-59
------ -----
-34 -34
y=1.735
When rounded is y=1.7
The solution for y is 1.7
Have a blessed day! ;)
