Question

20/3 = 10/9 x

14/5 = 7/15 x

What is x?
x has to be the same number in each equation

Answer 1

x = 6

Explanation:

20/3 = 10/9x...multiply both sides by 9/10

9/10 * 20/3 = x

18/3 = x

6 = x

14/5 = 7/15x....multiply both sides by 15/7

15/7 * 14/5 = x

30/5 = x

6 = x