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4 votes
-4x+11y=-32
-9x+4y=11
elimination

1 Answer

3 votes

Answer:

x = -3; y = -4

Explanation:

We can start by eliminating x, which will give us y:


9(-4x +11y=-32)\\-4(-9x+4y=11)\\\\-36x+99y=-288\\36x-16y=-44\\\\83y=-332\\y=-4

Now we can plug in -4 for y in the first equation to find x:


-4x+11(-4)=-32\\-4x-44=-32\\-4x=12\\x=-3

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