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- 2x – Зу = - 9 9x +9y = 0
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- 2x – Зу = - 9
9x +9y = 0

User Ben Casalino
by
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1 Answer

4 votes

Answer:

- 2x - Зу = - 9

9x +9y = 0

<=>

-6x - 9y = -27

9x +9y = 0

<=>

3x =-27

=> x = -9

=> y = -x = 9

Hope this helps!

:)

User RobinL
by
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