Answer and explanation

Correct answer: D. 9

  1. Step 1: Subtract 5 from both sides: 2m/3 = 6. Step 2. Multiply both sides by 3: 2m = 18. Divide by 2: m = 9. Answer: 9. Why not the others: 6 gives 2(6)/3 + 5 = 4 + 5 = 9 != 11; 12 gives 8 + 5 = 13; 15 gives 10 + 5 = 15.

Practise more Numbers, Sets and Algebra.

Free questions with an explanation for every one, and full timed Basic Education Certificate Examination mock tests.