log10 5 +log10(5x+4) = log10(x+5)+1,then x= |
|||||||
a) |
8 |
b) |
6 |
c) |
4 |
d) |
2 |
log10 5 +log10(5x+4) = log10(x+5)+1,then x= |
|||||||
a) |
8 |
b) |
6 |
c) |
4 |
d) |
2 |