30-06-2020
Mathematics

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Is this correct?!!!!!!!!!

Is this correct class=

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tatiklisek tatiklisek

30-06-2020

Answer:

L=29 cm

Step-by-step explanation:

P=2l+2w

x is width

P=2(3x-4)+2x

P=6x-8+2x

P=8x-8

80=8x-8

88=8x

x=11

L+4=3x

L=3x-4

plug in 11 for x

L=3*11-4

L=33-4

L=29

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