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Múltiple choicewhich point is a solution of the equation31. 3x - 8y = 11A. (1, 1)B. ( 1, -1)C. ( -1, 1)D. (-1, -1)
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44 votes
44 votes
Múltiple choicewhich point is a solution of the equation31. 3x - 8y = 11A. (1, 1)B. ( 1, -1)C. ( -1, 1)D. (-1, -1)

User Jpcgandre
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2 Answers

20 votes
20 votes
The answer is B (1, 1)
User Barani R
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2.8k points
13 votes
13 votes

We have the following:


\begin{gathered} 3x-8y=11 \\ 3\cdot1-8\cdot1=-5 \\ 3\cdot1-8\cdot-1=11 \\ 3\cdot-1-8\cdot1=-11 \\ 3.-1-8\cdot-1=5 \end{gathered}

therefore, the answer is B (1, -1)

User Skuta
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