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If the length of a rectangle is decreased by 3 units and breadth increased 4 units ,then the area will increase by 9 sq.units . represent this situation as

a linear equation in two variables.


Let length of the rectangle be 'x' and its breath be 'y'
We know that the area of a rectangle is = length x breadth
Therefore, According to the question; 
Hope this helps :D

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