Respuesta :

x is equal to 11 :)
a square has 4 sides therefore, 5 x 4 is equal to 20
the perimeter in total is 64, so we subtract 20 from 64 with is 44. Then we divide 44 by 4 which is 11.
to double check the answer we say 11 + 5 x 4 = 64.

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