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svetoff [14.1K]
3 years ago
7

-8 - 3a+ 46 Please help! i have a bunch more questions like this so stay tuned to help me please!

Mathematics
1 answer:
yulyashka [42]3 years ago
3 0

Answer:

−3a+38

Step-by-step explanation:

i simplified the expression

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Which of the following sets is NOT closed under addition.
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Step-by-step explanation:

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Suppose you have 31 and 27 when you add these two together, you get 58 which is not an odd number.

If you need a more mathematical proof, you could do it this way.

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So continue on

2y + 1 is the other number.

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