Question

Log2(x-5)=log2(4x+1)

Answer 1

$log_2(x-5)=log_2(4x+1),; ; OOF:; left { {{x-5>0} atop {4x+1>0}} right. ; left { {{x>5} atop {x>-frac{1}{4}}} right. ; x>5\\x-5=4x+1\\3x=-6\\x=-2notin OOF\\Otvet:net; reshenij$