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PLEASE HELP ASAP!!! Write an equation for the problem...

Three sides of a quadrilateral are equal and the fourth side is 16 cm long. What is the length of one of the equal sides, if the perimeter is 58 cm?

1 Answer

1 vote

Answer: 3x+16=58

Explanation:

3x=58-16

3x=42

x=14

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