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maxonik [38]
3 years ago
11

PLEASE HELP

Mathematics
2 answers:
disa [49]3 years ago
7 0

the solution to the equation fraction 3 over 5 n minus fraction 4 over 5 equals fraction 1 over 5 n.

n = fraction 5 over 2

n = −1

n = fraction 5 over 3

n = 2

the last one is the answer.

alexira [117]3 years ago
4 0

9514 1404 393

Answer:

  n = 5/3

Step-by-step explanation:

Eliminate fractions, add 4, divide by the coefficient of n.

  \dfrac{3}{5} n-\dfrac{4}{5}=\dfrac{1}{5}\\\\3n-4=1 \qquad\text{multiply by 5}\\\\3n=5 \qquad\text{add4}\\\\\boxed{n=\dfrac{5}{3}} \qquad\text{divide by 3}

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28x + 44y = 964.40

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Let's multiply the first equation by 4 and the second by -4

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Add the equations together.

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Simplify

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Divide both sides by 44

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Since we have the value of y, let's plug 964.4/44 into y for the first equation.

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Subtract 964.4 from both sides

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