Solve: x + 5 <4

A. x ≤9
B. x≥ 9
C. x<-1
D. x>-1

1 answer

To solve x + 5 < 4, we first need to isolate x by subtracting 5 from both sides:

x + 5 - 5 < 4 - 5
x < -1

Therefore, the correct answer is C. x < -1.