Answer:
In the equation, it divides 21 by x before knowing what x is, and gets it incorrect. Instead, you need to divide 21 by -4.2.
Step-by-step explanation:
-4.2x = 21
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-4.2
x = -5
<span>add 2/9x to both sides, if you do that you get 2/9x+y=3. If you want to simplify it multiply everything by the denominator, in this case, 9 so then you would have 2x+9y=27
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Answer:
7a........they are similar because none of the sides are equal
Answer:
63 books per capita in the library
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Step-by-step explanation:
Given
Required
Determine the book per capita
To do this, we simply divide the number of books by number of person;
(Approximated)
Hence;
<em>There are 63 books per capita in the library</em>
each person gets 1 brownie with 2 left over.
(dividing with remainders)
each person gets 1.4 brownies
(dividing with decimals)