作业帮0.2(0.2-x)/0.01+1.2x=0.12+20x
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0.2(0.2-x)/0.01+1.2x=0.12+20x
0.2(0.2-x)/0.01+1.2x=0.12+20x
0.2(0.2-x)/0.01+1.2x=0.12+20x
4-20x+1.2x=0.12+20x
38.8x=3.88
x=0.1
0.2(0.2-x)/0.01+1.2x=0.12+20x
20（0.2-x）+1.2x=0.12+20x
4-20x+1.2x=0.12+20x
20x+20x-1.2x=4-0.12
38.8x=3.88
x=0.1
4-20x+1.2x=0.12+20x
38.8x=3.88
x=0.1
0.2(0.2-x)/0.01+1.2x=0.12+20x
一元一次方程 2x+0.2=1.2x-0.6-2.2x
0.8x+3=1.2x+0.2怎么求x
0.2x-1.2=0.6+x
0.2(0.2-x)÷0.01+1.2x=0.12+20x
0.01分之0.2（0.2 -x)+1.2x=0.12+20x
[0.2(0.2-x)]÷0.01+1.2x=0.12+20x
1.2x-5=x+5 1.2x-x=5+5 0.2x=10 x=50
0.01分之0.2(0.2-x) +1.2x=0.12+20x0.01分之0.2(0.2-x)是一项 +1.2x是一项 0.12+20x是一项
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x减x乘0.2等于600X - ( X x0.
(x-1)+(x+2)+0.2x+2x=46
1.5X-X＝0.2
X-X×0.2=1.18