Question

Nilai x yang memenuhi persamaan 5^4+^x = 0,2^x

Answer 1

5^(4+x) =0,2^x
5^(4+x) = 1/5 ^(x)
5^(4+x)=5^-1*(x)
5^(4+x)=5^(-x)
4+x=-x
2x=-4
x=-2