Ta có: \(\left(4,5-2x\right):\frac{3}{4}=1\frac{1}{3}\)
=> \(\left(4,5-2x\right):\frac{3}{4}=\frac{4}{3}\)
=> \(4,5-2x=1\)
=> \(2x=3,5\Rightarrow x=1,75\)
Vậy x=1,75
(4,5-2x):3/4=4/3
(4,5-2x)=4/3.3/4
(4,5-2x)=1
2x=4,5-1
2x=3,5
x=3,5:2
x=1,75
vậy x=1,75