Can someone please explain how to do the complex algebraic equation? I couldn't find any answers online

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

Asystem of linear equations contains two equations with the same slope. select all of the correct statements. i a. the system may have two solutions. - b. the system may have infinitely many solutions. c. the system may have one solution. o d. the system may have no solution. submit

Is experimental probibilty the same as the observed frequency in math? i need the answer asap!