Given an equation in a variable x, any part of the equation that is independent of x is a constant term. So, in these senses: yes, we can say that the coefficients of algebraic expressions are constants.13 May 2018
Can coefficients be added?
Whether you add or subtract variables, you follow the same rule, even though they have different operations: when adding or subtracting terms that have exactly the same variables, you either add or subtract the coefficients, and let the result stand with the variable. For example: Addition.26 Mar 2016