Solve for $a$: $\frac15|9+2a|<1$.  Express your answer in interval notation.
Question:
Solve for $a$: $\frac15|9+2a|<1$.  Express your answer in interval notation.
Answer:
Let's think step by step.

user
(-7, -2)
Solve for $a$: $\frac15|9+2a|<1$.  Express your answer in interval notation.
train