2x/3-45%×4=11/20
2x/3-1.8=11/20
2x/3=11/20+1.8
x=2.35÷2/3
x=3.525
147×(4x-1)=49/5
4x-1=49/5÷147
4x=1/15+1
x=16/15÷4
x=4/15
15x-60%=2.1
15x=2.1+0.6
x=2.7÷15
x=0.18
2x/3-45%×4=11/20
2x/3-1.8=11/20
2x/3=11/20+1.8
x=2.35÷2/3
x=3.525
147×(4x-1)=49/5
4x-1=49/5÷147
4x=1/15+1
x=16/15÷4
x=4/15
15x-60%=2.1
15x=2.1+0.6
x=2.7÷15
x=0.18