How do you simplify #18n + 3y - 7n + 20y#? Algebra Expressions, Equations, and Functions Variable Expressions 1 Answer MeneerNask Dec 27, 2016 Put like terms together Explanation: #=(18n-7n)+(3y+20y)# #=(19-7)n+(3+20)y# #=12n+23y# 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 1086 views around the world You can reuse this answer Creative Commons License