Question

Pls Help, 20 points!

Answer 1

YOUR ANSWER IS (-18,9)

Answer 2

90/13, 45/13

Explanation:

`- 2 = x \\ 7x + 9y = - 45 \\ \\ 7 * ( - 2)y + 9y = - 45 \\ y = 9 \\ \\ 7x + 9 * 9 = - 45 \\ x = - 18 \\ (x.y) = (- 18.9) \\ \\`

Simplify:

`- 2 * 9 = - 18 \\ 7 * ( - 18) + 9 * 9 = - 45 \\ - 18 = - 18 \\ - 45 = - 45`