In algebra, what is the solution set of the linear equation over real numbers?

Answer and explanation

Correct answer: D.

  1. Step 1: Expand the left-hand side: . Step 2. Equate to right-hand side: . Subtract and add : . **Answer: . Why not the others:** combines terms incorrectly; has a sign error; subtracts from .

Practise more Mathematics: Advanced Functions, Geometry, Calculus and Probability.

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