HELP ASAP pleas Solve for x, 3y = z - 2x

please also explain the steps you did to get the answer. it doesn't have to be a long explanation. just enough so I understand

The 529 plan is the type of plan. a. financial fid. b. grant. c. tuition savings. d. scholarship

What was the main aim of the northwest ordinance of 1787

Mars has a surface gravity that is only 0.38 (a little over one-third) that of earth's. thus, the weight of an object will also be 0.38 times that of earth. what is the g.p.e. of a climber who weighs 675 newtons on earth at the top of 26,000-meter olympus mons?