304,003 views
10 votes
10 votes
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
by
3.0k points

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