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One side of a tabletop is 12x – 5 units long. Another side of the tabletop is 7x + 4 units long. If the tabletop is a square, what is the value of x?

User Anil Koppula
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1 Answer

25 votes
25 votes

Answer:

Explanation:

All the sides of a square are equal, so:

12x - 5 = 7x + 4

12x - 7x = 4 + 5

5x = 9

x = 9/5