20％x＋1.5＝24
0.2x=24-1.5;
0.2x=22.5;
x=112.5;
x÷﹙0.5－4分之1﹚＝0.6
x÷(0.25)=0.6;
x=0.6×0.25;
x=0.15;
﹙x＋1.5﹚÷8＝1.5
x+1.5=1.5×8;
x+1.5=12;
x=10.5;
3分之1x＋4分之3＝6分之5
x/3=5/6-3/4;
x/3=10/12-9/12;
x/3=1/12;
x=3/12;
x=1/4;
0.5x-8分之7＝1.605
0.5x=7/8+1.605;
0.5x=2.48;
x=4.96;
如果本題有什么不明白可以追問,