1.

When 5 is subtracted from length and breadth of the rectangle, the perimeter becomes 26. Write the mathematical form.​

Answer»

Step-by-step EXPLANATION:

Let length and breadth of a rectangle be x and y.

According to the question NEW length and breadth are x - 5 and y - 5 respectively.

Perimeter of rectangle = 26

2(x - 5 + y - 5) = 26

x + y - 10 = 13

x + y = 23

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