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allochka39001 [22]
2 years ago
12

1 2/7 +2 1/3x +3/14+x=9

Mathematics
1 answer:
Genrish500 [490]2 years ago
8 0

Answer:

9/4

Step-by-step explanation:

1 2/7=9/7

2 1/3=7/3

--------------

9/7+7/3x+3/14+x=9

18/14+3/14+7/3x+3/3x=9

21/14+10/3x=9

10/3x=9-21/14

10/3x=9-3/2

10/3x=18/2-3/2

10/3x=15/2

x=(15/2)/(10/3)

x=(15/2)(3/10)

x=45/20

simplify

x=9/4

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3 0
3 years ago
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olga nikolaevna [1]
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3 years ago
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dolphi86 [110]
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6 0
3 years ago
Please help solve with working much appreciated!
Lapatulllka [165]

The right answer is Option A.

Step-by-step explanation:

Given,

Heart rate goal = I

Heart rate reserve = H

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According to given statement,

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The right answer is Option A.

Keywords: linear expression, addition

Learn more about addition at:

  • brainly.com/question/10940255
  • brainly.com/question/10941043

#LearnwithBrainly

8 0
3 years ago
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