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kherson [118]
3 years ago
12

Which of the following is not a solution to the system of linear equations below? 5y=3x+15 6x=10y-30 A. (5, 6) B. (–15, 12) C. (

0, 3) D. (–10, –3)
Mathematics
1 answer:
Alecsey [184]3 years ago
7 0
Option B is not a solution.

5y=3x+15
5(12)=3(-15)+15
60=-45+15
60≠-30


Hope I didn't mess up for your sake!
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Una docena = 12

Por eso:

12 bolígrafos = $ 7848

1 bolígrafo = $ x

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$ x = 1 bolígrafo × $ 7848/12

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Answer:

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<u>Distributive method</u>:

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<u>Here given</u>:

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Among the option's:

<u>1st option</u> (7 + 3) (7 + 9) is wrong, changes <u>final answer</u>.

<u>2nd option</u> (7 × 30) + 9 is wrong, changes <u>final answer</u>.

3rd option 39 × 7 shows commutative property of multiplication.

<u>4th option</u> show distributive method.

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