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CBSE Class 10 Answered

Solve the system of linear equations graphically 5x - 7y = -50; 5x + 7y = 20. Also write the coordinates of the points where they meet at x - axis. Shade the triangular region.
Asked by anish.musti171 | 07 Feb, 2021, 10:50: PM
answered-by-expert Expert Answer
5x-7y=-50
5x+7y=20
--------------
10x=-30
x=-3
at x=-3, y=5
The point at which these two lines intersects each other is  (-3,5)
Now the point at which line 5x-7y=-50 intersects x -axis is (-10,0)
and the  at which line 5x+7y=20 intersects x -axis is (4,0)
Answered by Utkarsh Lokhande | 24 Feb, 2021, 12:53: PM

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