Apple D.

asked • 09/26/22

Twice a number, increased by three, is between negative five and seven

find all the numbers

1 Expert Answer

By:

Raymond B. answered • 09/26/22

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twice a number, inreased by three is between -5 and 7


-5<2N+3<7

subtract 3 from left side, right side and the middle

-8<2N<4

divide by 2 for the left side, right and middle

-4<N<2


the Numbers are between -4 and 2

all numbers in the interval (-4,2)

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David W.

Does "is between" mean "<" or "<=" ??
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09/26/22

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