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Class 9-10, JEE & NEET
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Draw the graph of the linear equation whose solutions are represented by the points having the sum of the coordinates as 10 units.
As per question, the sum of the coordinates is 10 units.
Let x and y be two coordinates, then we get x + y = 10.
For x = 5, y = 5, therefore, (5, 5) lies on the graph of x + y = 10.
For x = 3, y = 7, therefore, (3, 7) lies on the graph of x + y = 10.
Now, plotting the points (5, 5) and (3, 7) on the graph paper and joining them by a line, we get graph of the linear equation x + y = 10.