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Yanka [14]
2 years ago
13

Solve (MAFS.912.A-REI.2.3)

Mathematics
1 answer:
Vikki [24]2 years ago
4 0

Answer:

c,=2d=-2

Step-by-step explanation:

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  Up: 10r - 10c = 40  → -2(10r - 10c = 40) → <u>-20r + 20c</u> =<u>  -80</u>

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                                                                              <u> ÷40  </u>  <u>÷40 </u>

                                                                                    c =   3

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