Question

Five times a number is equal to three times the sum of the number and 6. The number is .

• A. 9
• B. 4
• C. 5

Answer 1

The correct option is A 9

Let the number be $x$.
The problem says
$5x=3(x+6)$
Solving the equation,
$5x-3x=18$
$2x=18$
$x=\frac{18}{2}$
$x=9$
Therefore, the number is 9.