Question

3/5x + 1/3x=28
solve for x

Answer 1

x = 30

Explanation:

3/5x + 1/3x = 28

15(3/5x + 1/3x) = 15 × 28

15 × 3/5x + 15 × 1/3x = 420

3 × 3x + 5x = 420

9x + 5x = 420

14x = 420

x = 30