For which equation would x = 5 be a solution?

4 x - 7 = 27
3 x + 6 = 21
12 - 2 x = 13
7 + 6 x = 27

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.

Kayla has a $500 budget for the school party. she paid $150 for the decorations. food will cost $5.50 per student. what inequality represents the number of students, s, that can attend the party?

What are the domain and range of the function f(x)=2^x+1