Which shows the expression rewritten with the least common denominator?

7x-2/4x^2 and x-1/8x

Do not comment if you aren’t going to . create a real-life situation and create a system and show how it might be modeled algebraically with a system of equations (or inequalities) show all work include a few sentences explaining the situation, your variables of choice and what each represents, and how you would set it up and solve it algebraically. !

How do i get my dad to stop making me gargle his pickle i want my mom to gargle my pickle not my dads

What is the value of x when x + 7 = 21?