60×0.8+1.2×括号里X碱60等于x×0.88怎么解
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60×0.8+1.2×括号里X碱60等于x×0.88怎么解
![60×0.8+1.2×括号里X碱60等于x×0.88怎么解](/uploads/image/z/16926249-57-9.jpg?t=60%C3%970.8%EF%BC%8B1.2%C3%97%E6%8B%AC%E5%8F%B7%E9%87%8CX%E7%A2%B160%E7%AD%89%E4%BA%8Ex%C3%970.88%E6%80%8E%E4%B9%88%E8%A7%A3)
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
48+1.2x-72=0.88x
1.2x-0.88x=72-48
0.32x=24
x=24/0.32
x=75