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What is the correct conclusion by observing (14x-10y=36) and (7x-5y=19)?

Answer and explanation

Correct answer: No solution

For the coefficients, \(\frac{14}{7}=\frac{-10}{-5}=2\), but the ratio of the constant terms is \(\frac{36}{19}\), which is not 2. Thus, \(\frac{a_1}{a_2}=\frac{b_1}{b_2}\ne\frac{c_1}{c_2}\), so the two lines are parallel and distinct and have no common solution. Exam tip: when the first two ratios are equal but the constant-term ratio is different, choose ‘no solution’.

Related tags

Linear EquationsSolvability ConditionsParallel LinesNo SolutionClass 10 MathematicsConditions For SolvabilityPair Of Linear Equations In Two VariablesMathematics

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