6.8-1.2X=6.5

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6.8-1.2X=6.56.8-1.2X=6.56.8-1.2X=6.56.8-1.2x=6.51.2x=6.8-6.51.2x=0.3x=0.25希望可以帮到你.1.2x=0.3x=0.25x=0.

6.8-1.2X=6.5
6.8-1.2X=6.5

6.8-1.2X=6.5
6.8-1.2x=6.5
1.2x=6.8-6.5
1.2x=0.3
x=0.25
希望可以帮到你.

1.2x=0.3
x=0.25

x=0.25

1.2x=6.8-6.5
1.2x=0.3
x=0.25

0.3=1.2x,x=1/4

-1.2x =-0.3 x =0.25

6.8-1.2X=6.5
-1.2X=-0.3
X=0.25