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scoundrel [369]
3 years ago
8

Which shows the use of the commutative property?

Mathematics
2 answers:
Murrr4er [49]3 years ago
5 0

Answer:

C. 3n+7=7+3n

Step-by-step explanation:

I got it right on my unit test! :)

Since the other person just got

it for points I decided

too answer

it myself you’re welcome!

Crank3 years ago
4 0

Answer:

the answer is C. 3n + 7 = 7 + 3n

Step-by-step explanation:

I had the same question on a quiz  

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Ali has x cards.
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If Ali has x cards, then Belinda has 2x cards.

If Ali has x cards, then Charlie has x+5 cards.

2x (Belinda) + x+5 (Charlie) + x (Ali) = 33 (total)

2x + x+5 + x = 33

Now simplify the equation... x+x+5 can be simplified as 2x+5.

2x+5 plus 2x can become 4x+5.

So their total number is 4x+5.

So 4x+5=33.

You want to isolate the variables and numbers.

To remove the 5 from the left side, subtract 5 from both sides.

4x+5-5=4x - 33-5=28

So the equation now is 4x=28

To remove the 4, divide each side by 4.

4x÷4=x - 28÷4=7

So x equals 7, Ali has 7 cards.

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3 years ago
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A diagonal support beam is attached to the gate of a fence as shown. Which angles must be congruent in order for the top and bot
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Step-by-step explanation:


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A brand of uncooked spaghetti comes in a box that is a rectangular prism with the length of 8 inches width of 2 inches and the h
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Step-by-step explanation:

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3 years ago
What is the solution of log3x − 5 16 = 2?
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Answer:

log (16)=2 in base 3x-5

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Step-by-step explanation:

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2 years ago
Which of the following is the algebraic expression that best describes the height y, if x is the width?
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