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3x + (K-1)x + 9 X=3 & K=?

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3x + (K-1)x + 9 X=3 & K=? Answer: -11

This is an algebraic equation in which the given value of x is substituted and the expression is simplified to determine the unknown constant K.

Question context

This question is part of 💬 Verbal Reasoning within the broader 🧠 Aptitude Mastery subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.