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kari74 [83]
3 years ago
5

Simplify the following: (9x - 7) - (5x + 10)

Mathematics
1 answer:
lianna [129]3 years ago
7 0
(9x - 7) - (5x + 10 )
2x - 15x
- 13x
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A fitness club has two options, one for members and one for nonmembers. Members pay a one-time registration fee of $12 plus $8 p
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Answer:

See below.

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Let's look at the cost for members (C1) first.  Let x be the number of visits.

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For non-members (C2), we can do the same.

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0       12          0

1        20        10

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4       44        40

5       52        50

6       60        60

7       68        70

Let's make the two equations equal, to find out where the benefit is the same.

12 + 8x = 10x

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