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Equations, Identities and Contradictions questions and answers 2025(passed)

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Equations, Identities and Contradictions questions and answers 2025(passed)

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Equations, Identities and
Contradictions questions and
answers 2025(passed)

Equation - answer A statement that two
expressions are equal.


Identity - answer An equation that is always true
so identities have all real numbers as solutions.
3(x+1) =2x -(-3) + x
3x +3 = 3x +3
3=3


Contradiction - answer An equation that is always
false so a contradiction has no solution.
4(x-3) =4x - 7
4x - 12 = 4x - 7
-12 = -7


How to determine each. - answer Linear- one
solution
Identity- variable disappears
Contradiction- False statement is left

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