Practice30 Create account

If $(x + 3) / (x - 3) = 5/2$ , then $x$ equals:

Competition practiceAlgebra

A7
B5
C9
D−7

Step-by-Step Solution

By componendo and dividendo,

(x + 3 + x - 3) / (x + 3 - x + 3) = (5 + 2) / (5 - 2)

, i.e.

2 x /6 = 7/3

, so

x = 7

. Check:

(7 + 3) / (7 - 3) = 10/4 = 5/2

.

Answer: A) 7

Master this topic in 30 minutes a day.

Don't just memorise the answer — build a daily practice habit.

Practice 5 Similar Questions Free →

All Algebra practice questions

More Algebra practice

If (3x + 4y)/(3x − 4y) = 7/1, then x : y equals:The number of pairs of positive integers (x, y) satisfying 3x + 5y = 47 is:The positive integers x and y satisfy xy = x + y + 3. The greatest possible value of x +…If x and y are positive integers with 7x + 4y = 100, the largest possible value of x is:When x³ − 3x² + 5x − 3 is divided by x² − x + 1, the result is: