8+(X-5)×0.8=48 怎么解
问题描述:
8+(X-5)×0.8=48 怎么解
答
8+(X-5)×0.8=48
(X-5)×0.8=48-8
(X-5)×0.8=40
(X-5)=40/0.8
X-5=50
X=55
答
8+(X-5)×0.8=48
8+0.8x-4=48
0.8x=44
x=44/0.8=55
答
8+(X-5)×0.8=48
8+0.8x-4=48
0.8x=48-8+4
0.8x=44
x=44÷0.8
x=55
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答
8+(X-5)×0.8=48
(X-5)×0.8=40
x-5=50
x=55