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salantis [7]
3 years ago
5

I don’t understand this at all

Mathematics
1 answer:
Lemur [1.5K]3 years ago
3 0

9514 1404 393

Answer:

  9(x +y)

Step-by-step explanation:

You observe that both terms have a coefficient of 9. The distributive property lets you factor that out, so you can rewrite the expression as ...

  9x +9y = 9(x +y)

_____

It might help to think of parentheses as a "bag." The expression 9(x+y) tells you the contents of one bag is (x+y) and you have 9 of them. You could think of x, and y as representing two different physical objects, for example, perhaps a ball and a cube.

The first expression, 9x +9y, tells you that you have 9 of each of these objects. The distributive property says this could be the result of dumping the contents of 9 bags, each containing one each of the objects. The expression 9(x+y) is the version of the expression that shows these objects as being grouped into 9 bags.

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Answer:

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Step-by-step explanation:

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stira [4]
B is the correct answer.
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Solve the simultaneous equation 28x+32y=88 and 32x+28y=92​
Alex_Xolod [135]

Answer:

Solving for x. Want to solve for y instead?

1 Factor out the common term 44.

4(7x+8y)=884(7x+8y)=88

2 Divide both sides by 44.

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4 years ago
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Answer:

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Step-by-step explanation:

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