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aksik [14]
3 years ago
15

Solve |6k + 12| + 9 = 9 for k.

Mathematics
2 answers:
slavikrds [6]3 years ago
6 0

Step-by-step explanation:

6k + 12 + 9=9

6k + 12 = 9 - 9

6k + 12 = 0

12 = -6k

12/-6 = -6k/-6

2/-1 = k

k = -2

kykrilka [37]3 years ago
4 0

Answer:

k=-2

Step-by-step explanation:

6k+12+9=9

subtract 9 from both sides

6k+12=0

subtract 12 from not sides

6k= -12

divide both sides by 6 (isolating the variable)

k= -12/6

simplify

k= -2

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6 0
3 years ago
The price of a notebook is 20% less than the price of a book. By what percent is the price of the book higher than the price of
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The price of the book is 125% higher than the price of the notebook if the price of a notebook is 20% less than the price of a book.

<h3>What is the percentage?</h3>

It is defined as the ratio of two numbers expressed in the fraction of 100 parts. It is the measure to compare two data, the % sign is used to express the percentage.

Let x is the price of the book

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Then,

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So x is 1.25 or 125% higher than the, y

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Learn more about the percentage here:

brainly.com/question/8011401

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2 years ago
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