Question

Pls help with this . give only what it ask for the answers.

Answer 1

(10, -1)

Explanation:

x + 2x = 3x

-y + y = 0

11 + 19 = 30

3x = 30

3/3 x = 30/3

x = 10

10 - y = 11

y = -11 + 10

y = -1