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Which ordered pair is the solution of the equations \(x+y=10\) and \(x-y=4\)?

Answer and explanation

Correct answer: (7, 3)

For the ordered pair \((7, 3)\), \(x+y=7+3=10\) and \(x-y=7-3=4\). Thus, it satisfies both equations, so \((7,3)\) is the intersection point of the two lines on the graph. For example, \((6,4)\) satisfies the first equation but \(6-4=2\), not 4. Exam tip: substitute the coordinates into both equations to verify a solution.

Related tags

Linear EquationsGraphical MethodOrdered PairIntersection PointClass 10EasyGraphical Method Of Finding Solutions.Graphical Method Of Finding Solutions

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