How do you simplify 12x-5x12x−5x? Algebra Expressions, Equations, and Functions Variable Expressions 1 Answer Nallasivam V Oct 29, 2015 12x-5x=7x12x−5x=7x Explanation: 12x-5x=7x12x−5x=7x 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+43x−x+4? How do you write a quotient of a number and 6 as an expression? How do you evaluate the expression 2x+12x+1 for x=1x=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 3297 views around the world You can reuse this answer Creative Commons License