Пошаговое объяснение:
а). 4.3х-2,5х=1.9+3.5
1,8=5.4
х=3
б). 5х-2.3х=1+9
2.7х=10
[tex]x = \frac{100}{27} [/tex]
в)4.5х-2.6х=1.8+3.9
1.9х=5.7
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Пошаговое объяснение:
а). 4.3х-2,5х=1.9+3.5
1,8=5.4
х=3
б). 5х-2.3х=1+9
2.7х=10
[tex]x = \frac{100}{27} [/tex]
в)4.5х-2.6х=1.8+3.9
1.9х=5.7
х=3