60×0.8＋1.2×括号里X碱60等于x×0.88怎么解
问题描述：
60×0.8＋1.2×括号里X碱60等于x×0.88怎么解
答
60·0.8+1.2（x-60)=0.88x
48+1.2x-72=0.88x
1.2x-0.88x=72-48
0.32x=24
x=24/0.32
x=75
答
48+1.2*x - 72 =x*0.88
1.2*x-24 =0.88*x
(1.2-0.88)*x=24
0.32*x=24
x=24/0.32
x=75
小朋友上课认真听讲哈！
答
60*0.8+1.2*（x-60)=x*0.88
48+1.2x-72=0.88x
1.2x-0.88x=72-48
0.32x=24
x=24/0.32
x=75