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Veseljchak [2.6K]
2 years ago
11

Please help quickly! will give brainliest! no explanation is required. just a correct answer :)

Mathematics
2 answers:
myrzilka [38]2 years ago
8 0

Answer:

A

Step-by-step explanation:

lina2011 [118]2 years ago
4 0
The answer is Letter A
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Solve by substitution. Show each step of your work.<br><br> 2x + y = 7<br><br> 3x + 5y = 14
Monica [59]
Alright...simple...showing all steps.. ;)

You have the equations...

2x+y=7
and
3x+5y=14

To be able to even solve for any of the variables...multiply the equations by...2...and..3...

2x+y=7----*3--> 6x+3y=21
and
3x+5y=14-----*2--->6x+10y=28

Thus,

6x+3y=21
-
6x+10y=28

=========

-7y=-7

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2x+(1)=7

2x+1=7
      -1  -1

2x=6

x=3

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Answer:

There are 157.48 inches in 4 meters.

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