15log(2x) = 60
Divide both sides by 15
log(2x) = 4
10log(2x) is the same as just 2x, so
10log(2x)= 104 gives 2x = 104
so x = 104/2 or x = 5000
Check:
$${\mathtt{15}}{\mathtt{\,\times\,}}{log}_{10}\left({\mathtt{2}}{\mathtt{\,\times\,}}{\mathtt{5\,000}}\right) = {\mathtt{60}}$$
.
15log(2x) = 60
Divide both sides by 15
log(2x) = 4
10log(2x) is the same as just 2x, so
10log(2x)= 104 gives 2x = 104
so x = 104/2 or x = 5000
Check:
$${\mathtt{15}}{\mathtt{\,\times\,}}{log}_{10}\left({\mathtt{2}}{\mathtt{\,\times\,}}{\mathtt{5\,000}}\right) = {\mathtt{60}}$$
.