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iragen [17]
3 years ago
10

Three less than three times a number is three more than five times that same number . What is the number

Mathematics
1 answer:
Pachacha [2.7K]3 years ago
4 0

Answer: -3

Solution:

Let n be that number.

So,

Three less than 3*no = 3 more than 5*no

3*n-3=5*n+3

5n-3n=-3-3

2n=-6

n=-3



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Exercise 2.4.2: Proving statements about rational numbers with direct proofs. About Prove each of the following statements using
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Answer:

See Explanation

Step-by-step explanation:

(a) Proof: Product of two rational numbers

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Let the two rational numbers be A and B.

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The product:

A * B = \frac{1}{2} * \frac{2}{3}

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Using direct proofs.

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(c) x + y is rational (missing from the question)

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Let x and y be

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x + y = \frac{7}{6}

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<em>The above proof works for all values of A, B, x and y; as long as they are rational values</em>

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olga_2 [115]

Answer:

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