Find and solve the equation for the value of n (by finding the value of n, you are finding which value of n that makes the statement true.)
3.74 = 0.4n + 2.5
3.74 - 2.5 = 0.4n
1.24 = 0.4n
n = 3.1
So the value of n which makes the statement true is 3.1
Hope this helps :)
