Respuesta :

williamwong66

Answer:

16x - 4

Step-by-step explanation:

A rectangle have two identical length and two identical width, so to get the perimeter

Two identical length + two identical width = perimeter

2(7x+1) + 2(x-3)

( remember to multiply everything inside the bracket with the 2)

= 14x +2 +2x - 6

= 16x - 4

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