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LUCKY_DIMON [66]
3 years ago
12

21t=-7 is the answer t=-1/3

Mathematics
1 answer:
Phantasy [73]3 years ago
8 0
You are correct.
If you take 21 and multiply by 1/3 it gives you 7.
Add a negative to it and since 1 negative= negative, the answer is -7
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