Solve for x -9<x+1<-7

$- 9 < x + 1 < - 7$

Step 1

Subtract $1$ from each section of the inequality because it does not contain the variable we are trying to solve for.

$- 9 - 1 < x < - 7 - 1$

Step 2

Subtract $1$ from $- 9$ .

$- 10 < x < - 7 - 1$

Step 3

Subtract $1$ from $- 7$ .

$- 10 < x < - 8$

Step 4

The result can be shown in multiple forms.

Inequality Form:

$- 10 < x < - 8$

Interval Notation:

$(- 10, - 8)$

Step 5