5,4х-2,6х=10,84-2,3
2,8х=8,54
Х=8,54:2,8 |=3,05
Х=3,05
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5,4х-2,6х=10,84-2,3
2,8х=8,54
Х=8,54:2,8 |=3,05
Х=3,05