2y - 3x + 6x - y
simplify this for me ?

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?

6x + 3y = -6 2x + y = -2 a. x = 0, y = -2 b. infinite solutions c. x = -1, y = 0 d. no solution