Answer these questions: 1. 5x-4(2x-3)-6 2. 2x+3(4x-4)+10 7. write an algebraic expression for each word phrase. the product of k and six 9. what is the constant and variable in m+7?10. simplify 8(y-4)= 11. combine like terms. 19b-6-b=

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.