fsotoiii fsotoiii 19-06-2021 Mathematics contestada MATH WIZZES, PLEASE HELP ME OUT HERE!! I NEED THIS PROBLEM DONE SOON, BECUASE IT'S DUE IN LIKE 2 MINUTES HELLPPPPPPP The equations in this system were added to solve for y. What is the value of y? x + 6 y = 10. -x + 3 y = -15. = 9 y = -5.