0.75x+125%=4 72%x5/24+0.28x5/2875%x0.375+1.625x3/4-0.75

0.75x+125%=4 72%x5/24+0.28x5/2875%x0.375+1.625x3/4-0.75
0.75x+125%=4
72%x5/24+0.28x5/28
75%x0.375+1.625x3/4-0.75

0.75x+125%=4 72%x5/24+0.28x5/2875%x0.375+1.625x3/4-0.75
0.75x+125%=4
0.75x＝4－5/4
3/4 x＝11/4
x＝11/4÷4/3
x＝11/3
72%x5/24+0.28x5/28
＝18/25×5/24 x＋7/25×5/28 x
＝3/20 x＋1/20 x
＝1/5 x.
75%x0.375+1.625x3/4-0.75
＝3/4×3/8 x＋13/8×3/4 x－3/4
＝9/32 x＋39/32 x－3/4
＝3/2 x－3/4.