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What will be shown in the graph of (15x+10y=40) and (3x+2y=8)?

Answer and explanation

Correct answer: Same line

Dividing every term of the first equation by 5 gives the second equation: 15x+10y=40 ⇒ 3x+2y=8. Thus, both equations represent the same line and have infinitely many common solutions. Exam tip: when the corresponding coefficients and constants of two linear equations are in the same ratio, their graphs coincide as one line.

Related tags

Linear EquationsGraphical RepresentationSolvability ConditionsCoincident LinesInfinitely Many SolutionsConditions For SolvabilityPair Of Linear Equations In Two VariablesMathematics

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