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kolezko [41]
3 years ago
10

Please help. I need a good step by step explanation

Mathematics
1 answer:
sasho [114]3 years ago
5 0

Answer:

the perimeter of a square is 4a.. where (a) is one side

therefore the equation formed is

3.5x(4)=2x+54

14=2x+54

2x= -40

x= -20

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