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LenKa [72]
3 years ago
9

Solve the inequality and express your answer in interval notation.

Mathematics
1 answer:
Vladimir79 [104]3 years ago
4 0

Answer:

\huge\boxed{(4,\ 8)}

Step-by-step explanation:

-104\to4

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Solve the equation : 2x + 7 = 21 and find the value of x. Is 2x + 7 = 21 a first degree equation or not?
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Answer:

The proposed equation is solved as follows:

2X + 7 = 21

2X = 21 - 7

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A first degree equation is an algebraic equation in which each term is either a constant or a product of a fixed term on a single variable. Therefore, this equation is a first degree one, since it only has a single variable, which is X.

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