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9. Elijah had three sets of five marbles. He gave 6 marbles to his sister and had three sets of three marbles left. What does the equation look like?
3x (5 - 6) = 3 x 3
3 x 5 - 6 = (3x3)
• (3×5) – 6= 3x3
(3x6) - 5 = 3x3

Sagot :

bowmaian000

Answer:

(3x5) -6 = 3x3

Step-by-step explanation:

So we know that elijah starts with 3 sets of 5 marbles each.

This can be thought of as 3 x each set, or 3 x 5.

Elijah then gives away 6 marbles from this set, or in other words subtracts 6.

How can this be put into a equation, however?

We know that we are taking 3x5, and subtracting it by 6. However it isnt as simple as 3x5-6.

It would have to be (3x5)-6, since your sets are a total of 15, or 3x5. This total is being subtracted to by 6.

This can be written as:

(3x5)-6

The only equation in your list that looks like this would be the third one, where:

(3x5)-6 = 3x3

So this would be your answer!

Hope this helps! :3

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