6.8-4.4x等于2.4

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6.8-4.4x等于2.46.8-4.4x等于2.46.8-4.4x等于2.46.8-4.4x=2.44.4x=6.8-2.4=4.4x=16.8-4.4x=2.44.4x=4.4x=1

6.8-4.4x等于2.4
6.8-4.4x等于2.4

6.8-4.4x等于2.4
6.8-4.4x=2.4
4.4x=6.8-2.4=4.4
x=1

6.8-4.4x=2.4
4.4x=4.4
x=1