#### Answer

x=1, y=3

#### Work Step by Step

{2x-y=-1
{5x+4y=17
Use elimination to solve the system.
Multiply the first equation by 4.
Solve for x.
8x-4y=-4
5x+4y=17
13x=13
x=1.
Plug x back into the equation.
2(1)-y=-1
2-y=-1 (Subtract 2 from both sides.)
-y=-3
y=3.