Question 515720
Plug in each x value and solve for y (you'll get 3 answers!)
2y+7(5)=4
2y+35=4
2y=-31
y=-31/2
2y+7(10)=4
2y+70=4
2y=-66
y=-33
2y+7(15)=4
2y+105=4
2y=-101
y=-101/2
Your 3 answers are (-31/2), (-33), (-101/2)