0.5x-4×0.25=1.25 32：X=3/5：4/5 （1.5x＋2）×0.5=1.6

0.5x-4×0.25=1.25
0.5x - 1 = 1.25
0.5x = 2.25
x = 4.5
32：X=3/5：4/5
32÷x = 3/5 × 5/4
32 ÷ x = 3/4
x = 42又2/3
（1.5x＋2）×0.5=1.6 拜托了各位!
1.5 x +2 = 1.6 ÷ 0.5
1.5 x = 16/5 -10/5
x = 6/5 × 2/3
x = 4/5