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Classify the equation as a conditional equation, an identity, or a contradiction. −6x − 5 = 9x = 3x − 5

User SJR
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2 Answers

3 votes

Final answer:

The question pertains to classifying an equation and the equation provided contains a typo. Once corrected, the classification process would involve solving for unknowns and checking the solution to determine if the equation is conditional, an identity, or a contradiction.

Step-by-step explanation:

The student's question involves classifying an equation as a conditional equation, an identity, or a contradiction. However, the provided equation seems to have a typo. The corrected equation should be either −6x − 5 = 9x or −6x − 5 = 3x − 5. Depending on which equation we consider, the classification will differ. A conditional equation is an equation that is true for certain values of the variable. An identity is true for all values of the variable, and a contradiction is never true.

To classify the equation, we follow these steps:

  1. Identify the unknown.
  2. Identify the knowns.
  3. Choose an equation, plug in the knowns, and solve for the unknown.
  4. Check the answer to see if it is reasonable.
  5. Eliminating terms wherever possible to simplify the algebra.

For example, if we consider the equation −6x − 5 = 9x, we would solve for x by adding 6x to both sides to get −5 = 15x, and then divide both sides by 15 to find x. After solving, if we find a specific solution for x, it is a conditional equation. If all values of x work, it's an identity, and if no values work, it's a contradiction.

The original equation provided by the student cannot be properly classified without correcting the typo.

User Ahmad Elassuty
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4 votes

Final answer:

To classify the equation as a conditional equation, an identity, or a contradiction, it needs to be correctly written and simplified. The original equation appears to contain a typo, preventing a definitive classification. Once the correct equation is provided, it can be classified by solving for x and seeing if the resulting statement is conditionally true, always true, or never true.

Step-by-step explanation:

The provided equation −6x − 5 = 9x + 3x − 5 appears to have a typo or mistake. Assuming the equation is written correctly, the goal is to classify it as a conditional equation, an identity, or a contradiction. To do this, we need to simplify the equation and solve for x, if possible.

If, for example, the equation was −6x − 5 = 9x − 5, then simplifying it would involve adding 6x to both sides and adding 5 to both sides to isolate x. This would give:
−6x + 6x − 5 + 5 = 9x + 6x − 5 + 5
0 = 15x

In this hypothetical case, x would be 0, making it a conditional equation because it is only true for x = 0. However, if the equation simplifies to an identity such as 0 = 0, it's true for all values of x. Alternatively, if it simplifies to a contradiction like 0 = 1, which is never true, there is no solution.

As there appears to be an error in the provided equation, it is not possible to definitively classify it without the correct equation. However, using the methods above, once the correct equation is given, one would be able to classify it appropriately.

User RomanS
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