Question

For the function m(n)=4n-7, when m is 9 what is n?

Answer 1

n = 4

Explanation:

Put the given values in the equation and solve for n.

9 = 4n -7

16 = 4n . . . . . . add 7

4 = n . . . . . . . . divide by 4

The value of n is 4 so that m(4) = 9.