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Pavel [41]
3 years ago
14

Answers are A B C D

Mathematics
1 answer:
Evgen [1.6K]3 years ago
4 0

Answer:

A

Step-by-step explanation:

Just substitute every x by n-7

and do some algebras to get the answer.

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If △ J K L ≅ △ M N O and △ M N O ≅ △ P Q R , which of the following statements must be true?
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Answer:

Δ JKL ≅ ΔPQR

Step-by-step explanation:

Hopefully this was one of the following statements. You didn't post the statements

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4 years ago
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System of equations-4× 7y=-8-5× 6y=1
Anton [14]
-4x + 7y = -8 . . . (1)
-5x + 6y = 1 . . . .(2)

(1) x 5 => -20x + 35y = -40 . . . (3)
(2) x 4 => -20x + 24y = 4 . . . . .(4)

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4 0
4 years ago
Which expression is equivalent to −10x−10+2x+9?
DENIUS [597]

Answer:

-8x - 1

General Formulas and Concepts:

<u>Algebra I</u>

  • Terms/Coefficients

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

-10x - 10 + 2x + 9

<u>Step 2: Simplify</u>

  1. Combine like terms (x):                                                                                        -8x - 10 + 9
  2. Combine like term:                                                                                              -8x - 1
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Answer:

2

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Then, just divide:

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7 0
3 years ago
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