Question #2518b Algebra Expressions, Equations, and Functions Variable Expressions 1 Answer Sahar Mulla ❤ · Stefan V. Jan 29, 2018 #(-3x-+7)+(-6x+9)# #-3x-7-6x+9# (whenever a #+,-#come together in an algebraic eqn, #-# would dominate over #+#) #=>-9x+2# (getting the like terms together) cheers.! -Sahar 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 1296 views around the world You can reuse this answer Creative Commons License