find the length of side of a square of side (2x-3) cm and whose perimeter is 68 cm?​

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1. Answer:

   perimeter of square = 4a

   68 = 4(2x-3)

   68 = 8x-12

   56= 8x

   x= 56/8

   x= 7

   length = (2x-3)

   = (2*7-3)

   = (14-3)

   = 11 cm

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