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zzz [600]
3 years ago
15

How do you solve 3/4n -18 = 1/4n -4

Mathematics
2 answers:
Sever21 [200]3 years ago
8 0
\frac{3}{4n}-18^{(4n}=\frac{1}{4n}-4^{(4n}\\\\ 3-72n=1-16n\\\\ -72n+16n=1-3\\\\ -56n=-2 \\\\ \boxed{n=\frac{-2}{-56}=\frac{1}{28}}
barxatty [35]3 years ago
5 0
1) Multiply both sides by 4: 3n - 72 = n - 16
2) Subtract n from both sides: 2n - 72 = -16
3) Add 72 to both sides:  2n = 56
n = 28.
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Step-by-step explanation:

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2 years ago
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4 0
3 years ago
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4x -5 = 2(2x +1)<br> I need help
Nostrana [21]

Answer:

No Solution

Step-by-step explanation:

4x-5=2\left(2x+1\right)

Expand:

4x-5=2* \:2x+2* \:1

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Add 5 to both sides:

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Subtract 4x from both sides:

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No solution as this is false.

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