Respuesta :

altavistard
Your job here is to simplify the inequality   4d + > 1 + 5d.

We want d to be positive, so subtract 4d from both sides:

4d - 4d > 1 + 5d - 4d, or

0 > 1 + d

Solve for d:  subtract 1 from both sides:

-1 > d,  or   d < -1