In algebra (mathematics), what is the solution to the linear equation ?

Answer and explanation

Correct answer: A.

  1. Step 1: Expand both sides: . Subtract from both sides to get . Add : . Divide by : . **Answer: . Why not the others:** and result from sign mistakes in collecting constants.

Practise more General Mathematics: Algebra, Functions, Geometry and Financial Math.

Free questions with an explanation for every one, and full timed Ylioppilastutkinto (Finnish Matriculation) mock tests.