Answer and explanation

Correct answer: D.

  1. Step 1: means . Step 2. Add 3 to get , then divide by 2. **Answer: . Why not the others:** has the signs reversed, the outside interval belongs to , and forgets to halve the upper bound.

Practise more Algebra, Equations and Inequalities.

Free questions with an explanation for every one, and full timed Državna Matura (North Macedonia) mock tests.