Question

Ayudenme a resolver estos logaritmos por favor

log x + log 2 = 1

log x + log (10x) = 3

Answer 1

log2x=log10
log2x=log10
2x=10
x=5
$logx+log(10x)=3$
$log(10 x^{2} )=log1000$
$10x^{2} =1000$
$x^{2} =100$
$x=10$∨$x=-10$