Question

What is the value of "x" ... 1+3(1+3(1+3(1+x))) = 13

Answer 1

no

Answer 2

x=-1?

Answer 3

Yes, for the initial question.

Answer 4

3(1+3(1+3(1+x))) = 12

(1+3(1+3(1+x)) = 4

3(1+3(1+x)) = 3

(1+3(1+x)) = 1

3(1+x)) = 0

1+ x = 0

x = -1