is this correct?
0=0
100-100=100-100
10(10-10)=10²-10²
10(10-10)=(10+10)(10-10)        [a²-b²=(a+b)(a-b)]    IN THIS CASE a=10 and b also=10
10=20
1=2
adding 1 both sides
2=3
Similarly
3=4
4=5
and so on...
Hence proved all numbers are equal.

Dear student
Yes the working steps are correct.
But please mention the question statement also so that we can guide you properly that according to question whether the solution provided by you above is correct or not.
Looking forward to hear from you again!
Regards