Thirteen less than four times a number is 17

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

What is the solution to the equation below? 3/x-2+6=square root x-2 +8

Landon wrote that 3−2.6=4. which statement about his answer is true?