Задача 58838 ...

5f3ea7e3faf909182968ddd9

28.03.2021 19:32:33

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[m]\frac{4}{7}y=-6\frac{1}{7}+5[/m]

[m]\frac{4}{7}y=-1\frac{1}{7}[/m]

[m]\frac{4}{7}y=-\frac{8}{7}[/m]

[m]y=-\frac{8}{7}:\frac{4}{7}[/m]

[m]y=-\frac{8}{7}\cdot \frac{7}{4}[/m]

[m]y=-2[/m]