If (-6)^(2x) = 6^(7 + x) and x is an integer, what is the value of x ?	Choices:
A) 5
B) 4
C) 3
D) 8
E) 7
Since x is an integer, (-6)^2x is always positive.   So, 6^2x = 6^(7 + x)   2x = 7 + x   x = 7   Answer: 7
<result>E</result>
If (-6)^(2x) = 6^(7 + x) and x is an integer, what is the value of x ?