Question

9a+2b=5a-7b find the ratio of a to b

Answer 1

5/4

Explanation:

9a + 2b = 5a - 7b

Bringing like terms to one side of the equation,

9a - 5a = 7b - 2b

4a = 5b

By cross multiplication,

a/b = 5/4

Hope it helps :)