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madreJ [45]
3 years ago
12

Twice a number decreased by 8 by 12 is 2 less than half the number what is the number?

Mathematics
1 answer:
natali 33 [55]3 years ago
7 0
Answer:
4
Step-by-step explanation:
with the information given, we can express the equation:

where is the unknown number?
to clear for first we multiply the equation by 2, to eliminate the fraction:

moving all terms with to the left:

and adding +16 to each side:

and finally, dividing by 3

the number is 4.
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andreev551 [17]

To find your answer you'd first add up all of their laps that they had completed over the 3 weekends.

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6 0
4 years ago
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The admission fee for a charity event is $7 for children and $10 for adults. The event was attended by 700 people, and the total
docker41 [41]
7x+10y=6400
x+y=700
x=700-y
7(700-y)+10y=6400
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6 0
4 years ago
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Vika [28.1K]

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4 0
4 years ago
4.) Four students go through the lunch line. Each student
Vesnalui [34]

Answer:

a bag of chips equals $1

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(let x represent the chips)

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------------------------------

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divide by 2

x = $1

4 0
3 years ago
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