Question

log3(2x-4)- log3(2)=log3(7)

Answer 1

Log3(2x-4)- log3(2)=log3(7), x>2
2x-4≤0
x≤2
$log3( frac{2x-4}{2} )=log3(7) log3(x-2)=log3(7) x-2=7 x=7+2 x=9$