Question

Hue is arranging chairs. She can form 5 rows of a given length with 2 chairs left over, or 9 rows of that

Answer 1

The equation would be 5x+2=9x-10
Subtract 5x from both sides
2=4x-10
Add 10 to both sides.
12=4x
Divide by 4 on both sides.
3=x
There are 3 chairs in each row