The sum of 12 and one third of n is 1 more than twice n.
MATHEMATICS
WAEC 2012
The sum of 12 and one third of n is 1 more than twice n. Express the statement in the form of an equation
- A. 12n - 6 = 0
- B. 3n - 12 = 0
- C. 2n - 35 = 0
- D. 5n - 33 = 0
Correct Answer: D. 5n - 33 = 0
Explanation
12 = \(\frac{n}{3} - 2n = 1\), multiply through by 3
36 + n - 6n = 3
-5n = 3 - 36
-5n = -33
-5n + 33 = 0
5n - 33 = 0
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