Respuesta :

It is 10, and 15 I believe
5x + 5y = 15
x = -y + 3

2x - 2y = 10
2(-y + 3) - 2y = 10
-2y + 6 -2y = 10
-4y = 4
y = -1

5x + 5y = 15
5x + 5(-1) = 15
5x -5 = 15
x = 4

the answer is (4,-1)