Question

1. what must be added to -1-3y-2 to get y?-5y+6?​

Answer 1

let it be 'x'

-1 - 3y - 2 + x = y - 5y + 6

- 3y - 3 + x = - 4y + 6

x = - 4y + 6 + 3y + 3

x = 9 - y

Hence, ( 9 - y) should be added to ( -1 - 3y - 2)