6x +3 = 6x -20 - x equations with variables

What is the answer to |-2x-5|-|-4+8| and x=7

What kind of bond pays interest which is exempt from tax?

Ifurniture stores having a weekend sale and is offering 20% discount on patio chairs and table the sales tax on furniture is 6.25 using function composition how can you represent the total amount a that you would need to pay for this furniture that cost x dollars