Question

Solve the inequation: -3 <3 - 2x. <9 x€ R. represent your soul tion on a number line​

Answer 1

Answer:

$- 3 < 3 - 2x < 9 \\ = - 3 - 3 < 3 - 2x - 3 < 9 - 3 \\ = - 6 < - 2x < 6 \\ = \frac{ - 6}{2} < \frac{ - 2x}{2} < \frac{6}{2} \\ = - 3 < - x < 3 \\ = 3 > x > - 3 \\ = - 3 < x < 3$