Add 9 to isolate term: Add 9 to both sides to isolate the term with w.-1w - 9 + 9 < -8 + 9-1w < 1
Divide by −1 and flip: Divide both sides by −1, remembering to flip the inequality sign because dividing by a negative number reverses the inequality.-1w / -1 > 1 / -1w > -1