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lions [1.4K]
3 years ago
11

What is the value of X

Mathematics
1 answer:
Alex777 [14]3 years ago
3 0

Answer: x= -5

Step-by-step explanation:

  1. Combine like terms: 7/2x and 1/2x are like terms--> adding them we get 8/2x or 4x
  2. Isolate x by subtracting 9/2x from the other side, getting us -1/2x= 2 1/2
  3. Multiply by -2 to get x= -5

These steps are the same for solving all equations with one variable.

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The length of a rectangular room is 4 feet longer than twice the width. if the room's perimeter is 200 feet, what are the room's
Lera25 [3.4K]
P = 2(L + W)
P = 200
L = 2W + 4

200 = 2(2W + 4 + W)
200 = 2(3W + 4)
200 = 6W + 8
200 - 8 = 6W
192 = 6W
192/6 = W
32 = W <== the width is 32 ft

L = 2W + 4
L = 2(32) + 4
L = 64 + 4
L = 68 <=== the length is 68 ft
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Answer:

The first one is correct

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Step-by-step explanation:

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Hello 

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650

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Anika [276]

Answer:

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Step-by-step explanation:

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