(1)x+15%x=4.6
115%x=4.6
115%x÷115%=4.6÷115%,
x=4;
(2)17.3+40%x=22.5
17.3+40%x-17.3=22.5-17.3
40%x=5.2
40%x÷40%=5.2÷40%
x=13;
(3)
x-3.5%x=0.953 5
0.565x=0.95
0.565x÷0.565=0.95÷0.565
x=
.190 113