If (23)2 is 2x, what is x?
4
5
6
7
(23)2 =26
2x=26
x=6
Let n(A−B)=25+x, n(B−A)=2x and n(A∩B)=2x. If n(A) = 2(n(B)) then 'X' is
A and B are joined sets.If n(A−B)=25+x, n(B−A)=2x, n(A∩B)=2x and n(A) = 2[n(B)], then x = ____.
If 5x+72=32x−14, then x = ?
(a) 5
(b) -5
(c) 6
(d) -6