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AVprozaik [17]
3 years ago
15

Help for 10 points!

Mathematics
2 answers:
Arturiano [62]3 years ago
5 0

Answer:

(C) 10m + 7n - 14

Step-by-step explanation:

[Q-R]+[S-T] =[(7m+3n)-(11-2m)]+[(n+5)-(-m-3n+8)]=

=[7m+3n-11+2m] + [n+5+m+3n-8]=[9m+3n-11] + [4n+m - 3]=

=9m+3n-11+4n+m-3=10m + 7n - 14

jok3333 [9.3K]3 years ago
3 0

Answer:

c

Step-by-step explanation:

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-6x-13y 
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4 0
2 years ago
A store sells tents,sleeping bags,and campstools.A customer buys a tent, 2 sleeping bags, and 3 campstools for 212$.the price of
igor_vitrenko [27]

The cost of each campstools, tent and sleeping bag is $20, $100 and $26

let

tent = 1

sleeping bags = 2

campstools = 3

Total cost = $212

tent = t

sleeping bags = s

campstools = c

If

t = 5c

s = c + 6

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= 20 + 6

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Therefore, the cost of each campstools, tent and sleeping bag is $20, $100 and $26

Learn more about equation:

brainly.com/question/4916384

4 0
3 years ago
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