Question

Solve

-3 < -4x + 1 < 13

A. (-3,1)
B. [-3,1]
C. (4,2)
D. [4,2]

Answer 1

Greetings from Brasil...

Let's solve this inequality.

Let's isolate X. For this, the elements that are with it must be sent to both sides:

- 3 < - 4X + 1 < 13

- 3 - 1 < - 4X < 13 - 1

- 4 < - 4X < 12

- 3 < X < 1

important: see annex