Please answer these questions for 8th Grade Algebra! First-person to answer will be marked as brainiest! Worth lots of points!

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

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

Asystem of equations has 1 solution. if 4x-y=5 is one of the equations , which could be the other equation ?