Decide whether the equation is "conditional," an "identity," or a "contradiction." Give its solution set.3(40t + 20) = 12(5t + 50)

A. Identity; {9}
B. Contradiction; {-11}
C. Conditional; {9}
D. Conditional; {-11}


Answer: C

Mathematics

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A. Not a real number
B. - 
C.
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A.

B. ?

C. (-?, ?)

D.

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A. 336 B. 6720 C. 20,160 D. 56

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A.

B.

C.

D.

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