A number is doubled and 7 is added. The result is 3 less than four times the number. Find the number.

Answer and explanation

Correct answer: B.

  1. Step 1: Let the number be : . Step 2. , so . **Answer: . Why not the others:** stops at , comes from , and reads the right-hand side as .

Practise more Equations and Inequalities.

Free questions with an explanation for every one, and full timed Junior Cycle (Ireland) mock tests.