Question

16*8^(2+3x)=1

Answer 1

16*8^(2+3x)=1
2^4*2^3(2+3x)=2^0
2^(4+3(2+3x))=2^0
(4+3(2+3x))=0
4+6+9x=0
9x=-10
x=-10/9

Answer 2

8^(2+3x)=1/16
В какой степени 8 даст 1/16?:
8^(2+3х)=1/(2^4)
2^(3+2+3х)=(2^(-4))
(3+2+3х)=-4
5+3х=-4
х=-3