Seudónimo Seudónimo

19-01-2019
Mathematics

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Hi! Can you please help me with this problem? If you can please show the steps on how you got it. Thank you!

Hi Can you please help me with this problem If you can please show the steps on how you got it Thank you class=

Respuesta :

MrBillDoesMath MrBillDoesMath

19-01-2019

Hello from MrBillDoesMath!

Answer:

x = 5

Discussion:

Perimeter = 78

Perimeter = sum of lengths of 4 sides =

= 2 (2x +4) + 2(5x)

=>

2(2x+4) + 2(5x) = 78 =>

4x + 8 + 10x = 78 =>

14x + 8 = 78 =>

14x = 78 -8 = 70 =>

x = 70/14 = 5

Thank you,

MrB

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