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LUCKY_DIMON [66]
3 years ago
10

Y=2x {x+y=-9 solve by substitution

Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
7 0
Snnshsjshjshsjs annananajajja
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-10x + 35 + 5x = -5x + 20 PLs fix this error and answer it can you also show me the steps so I understand?
Vedmedyk [2.9K]

Answer:

-10x + 35 + 5x simplifies to -5x + 35.

Step-by-step explanation:

Combine Like Terms:

= −10x + 35 + 5x

= (−10x + 5x) + (35)

= −5x + 35

Hope this helps!

6 0
2 years ago
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(-0.2)(0.4 I don’t know how to do this question
Zepler [3.9K]

Answer:

-0.08

Step-by-step explanation:

Multiply.

-0.2

x 0.4

_____

0 0 8

Each number you started out with has 1 space between the last number and the decimal, so your final answer will have 2 spaces.

Also, since you multiplied a negative and a positive, your final answer will be negative.

6 0
3 years ago
Nine hundred people who attended a movie were asked whether they enjoyed it. The table shows the results.
andrew11 [14]

Answer:

184

Step-by-step explanation:

I took the amount of children, 461, and subtracted the amount of adults surveyed.

461 - 277 = 184

6 0
3 years ago
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Just do number 12 please
FinnZ [79.3K]
Please make it clear:)
8 0
4 years ago
2b−15>21? How do I do this and what is the answer???
Mashcka [7]
2b - 15 > 21

add 15  to both sides:

2b-15+15 > 21 + 15

2b > 36

Divide both sides by 2 :

2b/2 > 36/2

2b = 36

b = 36 / 2

b > 18

hope this helps!

4 0
3 years ago
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