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Leokris [45]
3 years ago
15

Can somebody tell me what is 3x - 4 = 5?

Mathematics
2 answers:
Korvikt [17]3 years ago
6 0

Answer:

x = 3

Step-by-step explanation:

Step 1: Add 4 to both sides.

3x−4+4=5+4

3x=9

Step 2: Divide both sides by 3.

3x/3 = 9/3

x = 3

lions [1.4K]3 years ago
4 0

Answer:

x=3

Step-by-step explanation:

Move the -4 over to the other side.

3x=9

Divide both sides by 3.

x=3

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The area of a bulletin board is 55 ft2. The length is nine feet less than four times the width. Find the length and the width, i
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Answer:

The length and width are 11ft and 5ft respectively

Step-by-step explanation:

let the

length = L

Width = W

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4W^2 - 9W -55 = 0

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W - 5 = 0 , 4W + 11=0

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since the width cannot be negative, W = 5

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B is answer

Step-by-step explanation:

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