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Sidana [21]
3 years ago
7

3(c+5)=12. Distributive property

Mathematics
2 answers:
avanturin [10]3 years ago
6 0

Answer:

c = -1

Step-by-step explanation:

3(c+5)=12

3 × c = 3c

3 × 5 = 15

3c + 15 = 12

<u>      - 15   -15</u>

   3c = -3

c = -3 ÷ 3 = -1

Check:

3(-1+5)=12

-3 + 15 = 12

Luda [366]3 years ago
5 0
3c+15=12
Then u subtract 15 from both sides
3c=3
Then u divide by 3
C=1
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Ann [662]

x+y=19 and 6.5x+3y=74.5 can be used to determine the number of gifts wrapped and number of giftbags prepared where x represents the wrapped gifts and y represents giftbags.

Step-by-step explanation:

Let,

x be the gift wrapped with wrapping paper.

y be the gifts in gift bag.

Time for wrapping one gift = 6.5 minutes

Time for doing 1 gift bag = 3 minutes

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Total time = 74.5 minutes

According to given statement;

x+y=19

6.5x+3y=74.5

x+y=19 and 6.5x+3y=74.5 can be used to determine the number of gifts wrapped and number of giftbags prepared where x represents the wrapped gifts and y represents giftbags.

Keywords: linear equation, addition

Learn more about linear equations at:

  • brainly.com/question/788903
  • brainly.com/question/774670

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3 years ago
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miv72 [106K]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
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prisoha [69]

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Explanation:

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Therefore, the simplified value of the expression by substituting x=-10 in the expression b(x)=x+41 is 31.

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