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SVETLANKA909090 [29]
2 years ago
14

Solve |2x + 2| = 10

Mathematics
1 answer:
Vladimir [108]2 years ago
5 0

Answer:

x = - 6 , x = 4

Step-by-step explanation:

the absolute value function always gives a positive value but the expression inside can be positive or negative , that is

2x + 2 = 10 or - (2x + 2) = 10

solving both

2x + 2 = 10 ( subtract 2 from both sides )

2x = 8 ( divide both sides by 2 )

x = 4

or

- (2x + 2) = 10

- 2x - 2 = 10 ( add 2 to both sides )

- 2x = 12 ( divide both sides by - 2 )

x = - 6

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3 years ago
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Good morning temperature is -15° but the afternoon the temperature raises by 20° right in addition expressions for the afternoon
stealth61 [152]

Answer:

+ 5°

Step-by-step explanation:

Given,

Good morning temperature = -15°

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BARSIC [14]

Answer:

21

Step-by-step explanation:

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2 years ago
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There are several sets of different numbers which can be chosen from {0,1,2,3,4,5,6,7,8,9}. How many of these sets contain any 2
Leokris [45]

Answer:

90

Step-by-step explanation:

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4 0
3 years ago
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Aubrey is making dumplings. If she uses \tfrac{4}{5} 5 4 ​ cup of dough for each dumpling, how many cups of dough does Aubrey ne
Sever21 [200]

Answer:

Number of cups of dough needed = 15 cups

Step-by-step explanation:

Cup of dough needed for each dumpling = 4/5 cup of dough

Total dumplings = 12

how many cups of dough does Aubrey need to make 12 dumplings?

Number of cups of dough needed = Total dumplings / Cup of dough needed for each dumpling

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= 12 × 5/4

= 60/4

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Number of cups of dough needed = 15 cups

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3 years ago
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