12.4x+7.6=1.4
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12.4x+7.6=1.412.4x+7.6=1.412.4x+7.6=1.412.4x=1.4-7.6=-6.2x=-6.2/12.4=0.5
12.4x+7.6=1.4
12.4x+7.6=1.4
12.4x+7.6=1.4
12.4x=1.4-7.6=-6.2
x=-6.2/12.4=0.5
12.4x+7.6=1.4
1.4x-x=9.8求x
x+(x-1.4)+1.5x=33.
解方程:2x+1.4=7.6,求x
2+X=1.4X
x+18=1.4x
x-0.3x=1.4
{x-13.5}+{x-12.4}+{x-9.8}+{x-8.3}+{x-6}=3x
(X+X)+(X-X)+(X*X)+(X/X)=100
2.7X-1.9X=12.4x等多少
7.6x+3.4x-x-5=27
(X-12.4)/3=(X+3.6)/5
18x+12.4=24x-6.
6.4x=4.4x+12.4
7.6x( )+2.4x( )=58
7.6-7x-x=3.6
7(x-1.2)=5x+7.6
1.4X*0.8=X+15 X=多少?快