Which of these would be a helpful first step in solving the equation? Check all that apply. 9x + 5 = 5x + 21

A. subtract 5x
B. divide by 3
C. subtract 16
D. divide by 9
E. subtract 5​

1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park what is the unit rate and what does it represent in the context of the situation?

Asequence is a function whose is the set of natural numbers