What's the solution of the system?

7x+5y=19

-7x-2y=-16

Add them equations, y's cancel

7x+5y=19

-7x-2y=-16 +

0x+3y=3

3y=3

divide by 3

y=1

sub back

7x+5y=19

7x+5 (1) = 19

7x+5=19

minus 5 both sides

7x=14

divide by 7

x=2

(x, y)

(2,1)

solution is (2,1)