Help with the question

What is the solution to the system of the equations? x = y - 3 x + 3y = 13

6people equally share 56 gummy worms. how many gummy worms does each person get? nine and one sixth gummy worms nine and two sixths gummy worms ten and one sixth gummy worms ten and two eighths gummy worms

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.