4/5x + 5 < -3 (multiply the inequality by 5 to get rid of fraction)
4x + 25 < -15 (subtract 25 from both sides)
4x < -15 - 25
4x < -40
x < -10
or
4/5x + 5 < -3 (subtract 5 from both sides)
4/5x < -3-5
4/5x < -8
x < -8/(4/5)
x < -8 * 5/4
x < - 40/4
x < -10
