Question

if log (1.2 + x) = log 1.2 + log x then find the common logarithm of X + 4​

Answer 1

Answer:

1

Step-by-step explanation:

$loga+logb=logab\\log(1.2+x)=log1.2x\\1.2+x=1.2x\\1.2=0.2x\\x=6\\\\log(x+4)=log(6+4)=log10=1$