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Veseljchak [2.6K]
3 years ago
7

The problem -2x=9 equals the answer x=-4.5...is that correct or incorrect?

Mathematics
1 answer:
erastovalidia [21]3 years ago
5 0
-2x=9|:(-2)\\
x=-4.5


Yes.
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3 years ago
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An easier way to solving this is to first cancel out the 2's ( multiplying 2 and dividing 2 would do nothing), and just square rooting 100, giving you the answer 10.

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