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MariettaO [177]
3 years ago
5

Using substitution J-3k=3 j=-k+15

Mathematics
1 answer:
docker41 [41]3 years ago
7 0
j-3k=3\\
j=-k+15\\\\
-k+15-3k=3\\
-4k=-12\\
k=3\\\\
j=-3+15\\
j=12
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Lerok [7]

Answer:

  • Given Below.

explanation:

4x - 5y = 25

-5y = 25 - 4x

y = \frac{25-4x}{-5}

y  = \frac{4x- 25}{5}

put x values in the function in order to find y values.

                <u> ___x___                                     ___y___    </u>

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                         1                           |                  -4.2

                         2                          |                  -3.4

                         3                          |                  -2.6

                         4                          |                   -1.8

                         5                          |                     -1

                         6                          |                    -0.2

6 0
3 years ago
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Lady bird [3.3K]

Answer:

X would equal -2. I hope this helps!

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2 years ago
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Answer:

Step-by-step explanation:

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3 years ago
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8 0
3 years ago
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Vinil7 [7]

Answer: she is 60 years old because 48+12=60 yrs old now

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