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What is the most suitable conclusion by observing the equations (6x+7y=41) and (18x+21y=123)?

Answer and explanation

Correct answer: There are infinitely many solutions

Dividing every term of the second equation by 3 gives \(6x+7y=41\), which is exactly the first equation. Hence, both equations represent the same line and have infinitely many common solutions. Therefore, option C is correct. Option B would apply if the two lines were distinct parallel lines. For exams, remember: if \(\frac{a_1}{a_2}=\frac{b_1}{b_2}=\frac{c_1}{c_2}\), the pair has infinitely many solutions.

Related tags

Linear EquationsSolvability ConditionsCoincident LinesInfinite SolutionsClass 10 MathematicsConditions For SolvabilityPair Of Linear Equations In Two VariablesMathematics

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