log12(2x-9)=1
log12(2x-9)-log12(12)
2x-9)
log 12( )
12
log3(5x+3)=1+3 log3(2)
log3(5x+3)=1+3log3(2), x> - 3/5
log3(5x+3)=log3(3)+log3(2³)
log3(5x+3)=log3(3×2³)
log3(5x+3)=log3(3×8)
log3(5x+3)=log3(24)
5x+3=24
5x=24-3
5x=21
x= 21/5, x>-3/5
x=21/5
log12(2x-9)=1
log12(2x-9)-log12(12)
2x-9)
log 12( )
12
log3(5x+3)=1+3 log3(2)
log3(5x+3)=1+3log3(2), x> - 3/5
log3(5x+3)=log3(3)+log3(2³)
log3(5x+3)=log3(3×2³)
log3(5x+3)=log3(3×8)
log3(5x+3)=log3(24)
5x+3=24
5x=24-3
5x=21
x= 21/5, x>-3/5
x=21/5