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siniylev [52]
3 years ago
13

PLS HELP IM TIMED!!

Mathematics
1 answer:
Ad libitum [116K]3 years ago
7 0

Answer:

Van 8 and bus 27

Step-by-step explanation:

v+7b=197

12v+b=123      b=123-12v

v+7(123-12v)=197

v+861-84v=197

664=83v

v=8

8+7b=197

7b=181

b=27

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Answer:

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Step-by-step explanation:

The instructions explain what a function is pretty clearly.

Basically, whatever is in the parentheses next to the f, you plug in to the expression that is the function.

ex:     f(x) = x + 4

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Okay, onto the problems:

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f(x) = 3x - 1

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24 = 3x - 1

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25 = 3x

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x = \dfrac{25}{3}

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