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m_a_m_a [10]
3 years ago
10

8x + 1 = -8 - X What is X?

Mathematics
2 answers:
worty [1.4K]3 years ago
6 0

Answer:

x=-1

Step-by-step explanation:

8x+1=−8−x

8x+1=−8+−x

8x+1=−x−8

8x+1+x=−x−8+x

9x+1=−8

9x+1−1=−8−1

9x=−9

9x9=−99

x=−1

Alexxx [7]3 years ago
5 0

Answer:

<u><em>X = -1</em></u>

<u><em>Step-by-step explanation:</em></u>

  • <u><em>Add x to both sides.</em></u>
  • <u><em>8x + 1 + x = -8</em></u>
  • <u><em>Combine 8x and x to get 9x.</em></u>
  • <u><em>9x + 1 = -8</em></u>
  • <u><em>Subtract 1 from both sides</em></u>
  • <u><em>9x = -9</em></u>
  • <u><em>Divide both sides by 9 </em></u>
  • <u><em>x = -9/9</em></u>
  • <u><em>x = -1</em></u>

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Answer: The correct answer is Choice D.

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3 years ago
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Three consecutive even numbers who have a sum of 84
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4 years ago
Subtract: 4x/x^2-25 - 2/x^2+2x-15
Alex777 [14]

Answer: \dfrac{4x^2-14x+10}{(x-5)(x+5)(x-3)}

Step-by-step explanation:

Given

Subtract the expression

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4 0
3 years ago
Can someone help me??
Allushta [10]

Answer:

67.5 degrees

Step-by-step explanation:

The piece that isn't marked with xs is 90 degrees marked by the square symbol representing a right angle.

Full circle = 360 degrees

360 degrees - 90 degrees = 270 degrees

Now, if we add all the like terms we have 4 x's in total. This is becauswe 3x + another x = 4x.

So, we need to divide 270 by 4. We get 67.5 degrees.

Hope this helps!

treviglaslibrary

4 0
3 years ago
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frez [133]

Answer:

B

Step-by-step explanation:

Multiply through by x+5

2(x + 1) = x + 5 - 1            Combine like terms

2x + 2 = x + 4                 Subtract 2 from both sides.

2x = x + 4 - 2

2x = x + 2                         Subtract x from both sides.

2x - x = 2                          Combine

x = 2

B

6 0
3 years ago
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