How do you simplify the expression 4a+2b+a? Algebra Expressions, Equations, and Functions Variable Expressions 1 Answer Ayse K. · Stefan V. Mar 19, 2018 #5a+2b# Explanation: When you simplify an equation, always check for like-terms. #4a# and #a# both share a common variable, #a#. This makes them like-terms. You can add like terms, creating the sum of #5a#. #2b#, having no term to be able to be added to, stays the same. Answer link Related questions How do you write the variable expression for: a quotient of 2 and the sum of a number and 3 ? What are variables? What are variable expressions? How do you write variable expressions? How do you evaluate variable expressions? How do you simplify the expression #3x-x+4#? How do you write a quotient of a number and 6 as an expression? How do you evaluate the expression #2x+1# for #x=1#? How do you write a product of a number and 2 as an expression? How do you write 5 less than 2 times a number as a variable expression? See all questions in Variable Expressions Impact of this question 3380 views around the world You can reuse this answer Creative Commons License