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Afina-wow [57]
3 years ago
8

Solve and check the following linear equation. 6x-(4x-4)=14

Mathematics
1 answer:
goldfiish [28.3K]3 years ago
6 0
<span>6x-(4x-4)=14
</span>
We have to <span>unfold the brackets and change the sign of each term.
</span><span>
</span><span>6x - 4x + 4 = 14
</span><span>
</span><span>2x + 4 = 14  | - 4
</span><span>
</span><span>2x + 4 - 4 = 14 - 4
</span><span> 
</span><span>2x = 10   | :2
</span><span>
</span><span>2x:2 = 10:2
</span><span>
</span><span>x = 5
</span><span>
</span><span>
</span><span>Verification : 6*5 -(4*5 - 4) = 14
</span><span>
</span><span>                      30 - 20 + 4 = 14
</span><span>
</span><span>                         10 + 4 = 14
</span><span>
</span><span>                               14 = 14 - true
</span>
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The population of the country in 2003 is 302.5 million

<h3>How to determine the population of the country in 2003.</h3>

From the question, we have the following parameters that can be used in our computation:

Exponential model, A = 302.5e^0.0211t

Where i is the number of years after 2003

In the year 2003, the value of t is 0

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A = 302.5e^(0.0211 * 0)

Evaluate the products

A = 302.5 * 1

So, we have the following result

A = 302.5

Hence, the population is 302.5 million

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Samuel spends a winter day recording the temperature once every three hours for science class. At 9 am, the temperature was -14.
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