Question

Solve for x: −6 < x − 1 < 9

Answer 1

- 5 < x < 10

Explanation:

Given

- 6 < x - 1 < 9 ( add 1 to all 3 intervals )

- 5 < x < 10

Answer 2

-5 < x < 10.

Explanation:

−6 < x − 1 < 9

Split into 2 inequalities:

x - 1 > -6

x > -6 + 1

x > -5.

x - 1 < 9

x < 9 + 1

x < 10.