We have to make the sentences to be algebraic format
for example, n is the number
16 + n = 2n - 3
This is the equation
If you need to find what is n, then solve the equation
I classified number with number, coefficient-variable with coefficient-variable.
16 + n = 2n - 3
n - 2n = -3 - 16
-n = -19
n = 19
This is the value of n