Answer: 49
Step-by-Step Explanation:
As we can see, we have been given a negative exponent for “x”. Hence we have to take the reciprocal which would be x squared.
Therefore, x = 7
= x^2 = 7 * 7
= 49
The number of bottles in the full box by solving the equation is 12.
<h3>How to form an equation?</h3>
Determine the known quantities and designate the unknown quantity as a variable while trying to set up or construct a linear equation to fit a real-world application.
In other words, an equation is a set of variables that are constrained through a situation or case.
Let's say the number of bottles in the full box = x
Initial bottles = 9
Bottles in 3 full box = 3x
Bottles in 2 box in which number of bottles is x - 1 = 2(x-1)
Now,
Total bottles in refrigerator is 67
So,
9 + 3x + 2(x - 1) = 67
9 + 3x + 2x - 2 = 67
5x = 60
x = 12
Hence "The number of bottles in the full box by solving the equation is 12".
For more about the equation,
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The other sum can't be solve