What is the solution to this system of linear equations? y-x=6 y+x=-10 (-2,-8) (-8,-2) (6,-10) (-10,6)

What expression is equivalent to (2x-1)(x-3)?

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

How do you solving the solution of each system using elimination?