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Tatiana [17]
3 years ago
10

( 8k + 9) - (6k + 5)

Mathematics
2 answers:
Katena32 [7]3 years ago
3 0

Answer:

The expression is 2k + 4.

Step-by-step explanation:

You have to collect like-terms :

(8k + 9) - (6k + 5)

= 8k + 9 - 6k - 5

= 2k + 4

HACTEHA [7]3 years ago
3 0
2k+4 is the answer to ur question
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lina2011 [118]

Answer:

The correct option is (D).

Step-by-step explanation:

The two expressions are:

\text{Exp}_{1}=5x^{2}-2x-4+6x+3\\\\\text{Exp}_{2}=6x^{2}-6x+6-x^{2}+10x-7

On simplifying both the expressions we get:

\text{Exp}_{1}=5x^{2}+4x-1\\\\\text{Exp}_{2}=5x^{2}+4x-1

Compute the value of both expressions for <em>x</em> = 2 as follows:

\text{Exp}_{1}=5(2)^{2}+4(2)-1=27\\\\\text{Exp}_{2}=5(2)^{2}+4(2)-1=27

The value of both expressions are same for <em>x</em> = 2.

Thus, the correct option is:

"They are equivalent because when x = 2, the two expressions have the same value."

6 0
3 years ago
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matrenka [14]

Answer:

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Hope this helped! :)

8 0
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kondaur [170]
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10x−y = 10<br> −2x+ 5y = −2
Viefleur [7K]

Answer:

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Step-by-step explanation:

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