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earnstyle [38]
2 years ago
11

What is 2x + 5 = 2x - 10

Mathematics
2 answers:
umka2103 [35]2 years ago
4 0

Answer:

2x+5 = 2x-10

2x = 2x-15

0 = -15???

This equation has NO SOLUTION.

Let me know if this helps!

Vlad1618 [11]2 years ago
4 0
2x + 5 = 2x-10
-2x. = -2x
————————
+ 5 = -10
- 5 = -5
————————-
0 = -15

This has no answer
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the difference of two number is 28 if the larger number is three time of the smaller find the number​
Elza [17]

Set up an equation:

3x - x = 28

Simplify:

2x = 28

Divide both sides by 2

X = 14

3(14) = 42

The numbers are 42 and 14

5 0
3 years ago
HELP!!! Picture included :).
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Answer:

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Step-by-step explanation:

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What is the mean (average) of these five numbers?
IRINA_888 [86]

Answer:

C. 5

Step-by-step explanation:

Mean: Numbers over amount of numbers

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2 years ago
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I am Lyosha [343]

Answer:

13 l of 15%, 13 l of 25%, 26 l of 70%

Step-by-step explanation:

solutions:

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final solution:

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This includes 0.45*52l= 23.4 l acid

Let's assume:

  • amount of 15% solution= x
  • amount of 25% solution= y
  • amount of 70% solution= z
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so there are 2 equation:

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or

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  • 0.15*(52-3y)+1.65y=23.4
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--------

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6 0
3 years ago
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kobusy [5.1K]

Answer:

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Step-by-step explanation:

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