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larisa86 [58]
3 years ago
12

Can someone HELP ME!!

Mathematics
1 answer:
siniylev [52]3 years ago
3 0

Answer:

d=-12

Step-by-step explanation:

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Can someone please explain this to me
Gre4nikov [31]

What's happening is that every subtraction can be written as "addition of the opposite."

18-5 = 18 + (-5)

One reason this is done in the work you showed is that they're trying to show why you distribute the negative and the 1 into the parentheses, why you multiply everything in the parentheses by "-1" and not just 1.

The other reason is to later to be able to move the individual terms around, so you'll be able to combine like terms.

When you move terms around, the sign has to stay attached to the term, so writing all the subtractions as addition helps keep the sign attached.

8 0
3 years ago
A large bag of sand weighs 48.5 pounds a small bag of sand weighs 24.6 pounds if Mrs.Waggoner buys a large bag and A small bag h
Lera25 [3.4K]

Answer: 73.1 pounds of sand.

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48.5+24.6 is equal to 73.1 pounds of sand. That is how much sand was purchased altogether.

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3 years ago
Answer the very simple question below!
zalisa [80]

Answer: 14

Step-by-step explanation: just go to the opposite side of the interger and plz Brainlest would be much appreciated.

5 0
2 years ago
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Simplify (3x − 8) + (2x + 5) − (4x − 8).<br> A) x − 11 <br> B) x + 5 <br> C) x + 21 <br> D) 9x + 5
lozanna [386]

Answer:

B

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3 years ago
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