maximiliano6 maximiliano6
  • 13-07-2022
  • Mathematics
contestada

Find the perimeter
a = x +3
b = 2x - 1

Respuesta :

jordanlackey06290 jordanlackey06290
  • 13-07-2022

Answer:

Step-by-step explanation:Rectangles have 4 sides--2 = lengths and 2 = widths, so perimeter = 2l + 2 w = 2(l + w).

l + w = (2x - 1) + (x + 3) = 3x + 2.  Then double with distributive property P = 2(3x + 2)

P = 6x + 4

You could also do distributive property twice:  2(2x - 1) + 2(x + 3) = 4x - 2 + 2x + 6 = 6x + 4.

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