First, What is the only rule you need to remember when solving inequalities?
If you multiply or divide by a negative number the sign changes.
-4y + 17 < 19 or -4y + 17 > 19
-4y < 19-17 or -4y > 19 - 17
-4y < 2 or -4y > 2
y > -2/4or -1/2 or y < -2/4 or -1/2