Question

2 (2×-×)
6 (2×-5)
7 (4y+x)
6 (7w-t)
9 (3a-b)
?

Answer 1

2 (2×-×) = 2x
 
6 (2×-5) = 12x - 30 

7 (4y+x) = 28y + 7x

6 (7w-t) = 42w - 6t

9 (3a-b) = 27a - 9b