0.6X+1.4X=8.2-5.4
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0.6X+1.4X=8.2-5.40.6X+1.4X=8.2-5.40.6X+1.4X=8.2-5.40.6X+1.4X=8.2-5.42x=2.8x=1.42.0x=2.8x=1.41.40.6X+
0.6X+1.4X=8.2-5.4
0.6X+1.4X=8.2-5.4
0.6X+1.4X=8.2-5.4
0.6X+1.4X=8.2-5.4
2x=2.8
x=1.4
2.0x=2.8
x=1.4
1.4
0.6X+1.4X=8.2-5.4
2x=2.8
x=1.4
0.6X+1.4X=8.2-5.4
21分之10x÷3分之2=7分之3x-3分之1x-2分之1x=190x-53x=7408.5x-6.9x=43.3x-200=0.2x+1101.02+0.4x+2.6x=3.428.9x-67=4.5x+656x-58=3x+1410x-20=5x+806x+5=10x-3420-1.4x=9.8x-288.2x+5.4x=272
5.4X+X=12.8求X
（X+X)+(X-X)+(X*X)+(X/X)=100
1.4x-x=9.8求x
x+(x-1.4)+1.5x=33.
求未知数x x等于2x=12.6 0.6x+1.4=5
5.4x-x=13.
5.4x+x=12.8
5.4x+x=12.8
3x-x=5.4
5.4x+x=1.
5.4x+x=1.
3x+x=5.4
0.6x(200-X)-4X=106.2 X=?
2+X=1.4X
x+18=1.4x
x-0.3x=1.4