Based on the calculations, the value of x and y in this equation are both equal to 5.
<h3>What is a system of linear equations?</h3>
A system of linear equations can be defined as an algebraic equation of the first order that has two (2) variables with each of its term having an exponent of one (1).
<u>Given the following data:</u>
x + y = 10 .....equation 1.
x = 5. .....equation 2.
<h3>How to evaluate an equation.</h3>
In order to evaluate the given mathematical equation, we would substitute equation 2 into equation 1 as follows:

y = 5.
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Answer:
Doing pretty good. How about you, how you doing?
In perfectly competitive markets, firms in the market in the long-run, will earn zero economic profits.
<h3>What economic profits are earned in a perfectly competitive market?</h3>
In the short-run, there is a chance to earn a positive economic profit in a perfectly competitive market but this would then attract other companies into the market to make profits as well.
This then leads to the profits disappearing thanks to increased supply and lower prices. Companies would then leave and enter to either take advantage of profits or stop losses thereby keeping economic profits at zero in the long run.
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The word 'recalcitrant' has a Latin origin<em> </em>(<em>calcitrare</em>) and was originally used for describing "to kick" actions.
<h3>What does recalcitrant mean?</h3>
Recalcitrant is a word derived from <em>calcitrare</em><em> </em>(Latin) and originally used for indicating "to kick" actions.
A person considered 'recalcitrant' is someone who is obstinately defiant of authorities and/or social restraints.
Two synonyms of this word (recalcitrant) may be ungovernable and insubordinate, whereas two antonyms include docile and subordinate.
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