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kirill [66]
3 years ago
6

Math help! (pic below)

Mathematics
1 answer:
laila [671]3 years ago
7 0
The only solution is (4, -1/2).

The first one is wrong, because of you substitute X and Y or in this case (12, -5/2) into 3x+2y, you get 31=11, Which is an untrue mathmatical statement.

The second one is right, for the same reason. If you substitute X and Y you will get 11=11. which is a true statement.

The third one is wrong, because you have found a true statement.

The fourth one is wrong because you found an untrue statement.
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