How do you simplify the expression 4a+2b+a? Algebra Expressions, Equations, and Functions Variable Expressions 1 Answer Ayse K. ยท 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 3555 views around the world You can reuse this answer Creative Commons License