Solve both systems: 2x+10y=26 and -2x + 5y = -26

2x+10y=26

2x+10y-10y=26-10y

2x=26-10y

2/2x=26-10y/2

x=13-5y

-2x + 5y = -26

-2(13-5y) + 5y = -26

-2(13) (-2)(-5y) + 5y = -26

-26+10y+5y=-26

-26+15y=-26

-26+15y+26=-26+26

15y=0

15y/15=0/15

y=0

x=13-5y

x=13-5(0)

x=13