Question

log10 x + log10 20 = 3
ayuuudaaa

Answer 1

Antes de resolver Recordemos:
$Log_{10} x = Log x$
$log a + log b = log ab$
$Log_{a} b = c...... a^{c}= b$

Ahora que tenemos esto comencemos:
Log x + Log 20 = 3
Log (20x) = 3
10³ = 20x
10³/20 = x
50 = x