Answer:
m > -1
(any numbers greater than -1 are solutions)
Explanation:
15 < 5(4m + 7)
open the parenthesis
15 < 20m + 35
subtract 35 from both sides of the inequaity
15 - 35 < 20m
-20 < 20m
divide both sides of the inequality by 20
-20/20 < 20m/20
-1 < m
m > -1