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Zanzabum
2 years ago
10

-14=-20y-7x 10y+4=2x Solve by Elimination please!

Mathematics
1 answer:
iogann1982 [59]2 years ago
8 0

Answer:

x = 2    y = 0

Step-by-step explanation:

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(ASAP) Billie &amp; Tony are siblings. It’s summer of 2015. Twice Billie’s age decreased by 3 is Tony’s age. Tony is fourteen ye
jeka94

Answer:

Billie's age = x = 17 years

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Step-by-step explanation:

Let

Billie's age = x

Tony's age = y

Twice Billie’s age decreased by 3 is Tony’s age.

y = 2x - 3..... Equation 1

Tony is fourteen years older than Billie.

x = y - 14

We substitute y - 14 for x in Equation 1

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y = 2(y - 14) - 3

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x = 31 - 14

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Billie's age = x = 17 years

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