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Reika [66]
3 years ago
8

Which of the following expressions is equivalent to 3x + 3x + 5 + 5?

Mathematics
2 answers:
PSYCHO15rus [73]3 years ago
7 0

Answer:

The answer is 4. 2(3x+5)

inysia [295]3 years ago
3 0

Your answer is 4.) 2(3x +5)

When you collect like-terms in 3x + 3x + 5 + 5, you end up with 6x + 10 (because 3x + 3x = 6x and 5 + 5 = 10), so therefore you're looking for an answer that expands to give 6x + 10.

We can immediately rule out 2.) 2(6x + 10), because this is 2 times the correct answer, so it must expand to 12x + 20 instead of 6x + 10.

1.) 3(x + 10) expands to 3x + 30, so this is incorrect, and 3.) 3(x + 5) expands to 3x + 15, which is also wrong.

Therefore the answer is 4.) 2(3x + 5) which expands to 6x + 10.

I hope this helps! Let me know if you have any questions :)

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Leftover Expression
Mumz [18]

The second leftover expression is not o(a+b). It is 6(a + b). I have attached the correct question to depict that.

Answer:

The equivalent expressions are;

8a + 2 and 6a + 6b

Step-by-step explanation:

The two leftover expressions are given as;

2(4x + 1) and 6(a + b)

In algebra, equivalent expressions are simply those expressions which when simplified, give the same resulting expression as the initial one.

Thus simply means expanding or collecting like times to make it clearer.

Now, in our question, like terms have already been collected. This means that to find an equivalent expression, we will just expand the bracket.

Thus;

2(4x + 1) will be expanded by using the 2 outside the bracket to multiply the terms inside the bracket. This gives;

8x + 2

Similarly,

6(a + b) will be expanded by using the 2 outside the bracket to multiply the terms inside the bracket. This gives;

6a + 6b

Thus;

The equivalent expressions are;

8a + 2 and 6a + 6b

4 0
2 years ago
¿Cuál es el resultado de (-2)(-3)*(-1)x 5?<br>​
podryga [215]
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-2*-3=6
-1*5=-5
6 x -5=-30
8 0
2 years ago
during a hike, 3 friends equally shared 1/2 pound of trail mix. what amount of trail mix, in pounds, did each friends recieve
VashaNatasha [74]
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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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