Respuesta :
= 2(x-3) + 2(7x+1)
since there are 4 sides, 2 which have the same dimensions
= 2x - 6 + 14x + 1
= 16x - 5
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Step-by-step explanation:
perimeter of rectangle = 2( l+w)
=2(7x+1+x-3)
=2(8x-2)
=16x-4
4 = 16x
4/16=x
1/4=x
answer is 16x-4
but you can write the value of x also