8x + 9y = 3 and x + y = 0

asked May 12, 2023 117k views

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Answer:

x is 3 and y is -3

Explanation:

$x + y = 0 \\ x + y - y = 0 - y \\ x = - y \\ \\ 8x + 9y = 3 \\ (8 * - y) + 9y = 3 \\ - 8y + 9y = 3 \\ y = 3$

X = -3

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