Question

Consider this equation.

How many valid solutions does the equation have?
=

Answer 1

1

Explanation:

(10x + 25) / (3x + 12) = (5x) / (x + 4)

5(2x + 5) / 3(x + 4) = 5(x) / (x +4)

(2x + 5) / 3 = x

2x + 5 = 3x

x = 5

Check.

(10*5+ 25) / (3*5 + 12) = (5*5) / (5 + 4)

75/27 = 25/9

25/9 = 25/9