If x represents a number, then how do you write an expression for three times the sum of x and 10? Algebra Expressions, Equations, and Functions Variable Expressions 1 Answer Tony B Apr 1, 2018 Let the answer be #y# then we have #y=3(x+10)# 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 1679 views around the world You can reuse this answer Creative Commons License