Question

anyone can solve this question

Answer 1

The answer for your question is 9.

In the first step,

5×(6+1)=35

4×(20+1)=84

Similarly in the last step,

3×(x+1)=30

x+1=30/3

x+1=10

x=9

Answer 2

your answer is 9..........
hope this helps you