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Class 10 Mathematics Pair of Linear Equations in Two Variables Graphical method of finding solutions.Expert

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What is the solution of (4x+y=19) and (x-2y=-7) on the graph?

Answer and explanation

Correct answer: ((3,7))

From the first equation, (y=19-4x). Substituting gives (x-2(19-4x)=-7), so (x=3), (y=7). This is the graph intersection.

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Graphical Solution Substitution Intersection Numerical Graphical Method Of Finding Solutions.Graphical Method Of Finding Solutions Pair Of Linear Equations In Two Variables Mathematics

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