Find the perimeter of a rectangular whose length is - by + 3x and breath is 7y - 2x
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Step-by-step explanation:
perimeter of rectangle= 2(length+breadth)
Given,
Length=-by+3x
Breadth=7y-2x
==>perimeter of rectangle = 2( - by + 3x + 7y-2x)
= 2 ( -by + 7y +1x )
= -2by -14y +2x
Therefore, - 2by - 14y +2x is the perimeter of the rectangle.
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