Question

__________ should be added to 3 a + 5 b to get 6a - b​

Answer 1

Answer:

3a-6b

Explanation:

Let 'x' be the adding number.

x+3a+5b=6a-b

x=6a-b-(3a+5b)

x=6a-b-3a-5b

x=3a-6b

So, 3a-6b should be added to 3a+5b to get 6a-b.