Задача 73330 8 2/7-2х=5 11/14...

6527e56ce6a337378646a52c

12.10.2023 15:25:40

8 2/7-2х=5 11/14

5f3ea7e3faf909182968ddd9

12.10.2023 15:31:17

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[m]8 \frac{2}{7}–2х=5 \frac{11}{14}[/m]

[m]–2х=5 \frac{11}{14}-8 \frac{2}{7}[/m]

[m]–2х=5 \frac{11}{14}-8 \frac{4}{14}[/m]

[m]–2х=-(7 \frac{18}{14}-5 \frac{11}{14})[/m]

[m]–2х=-2 \frac{7}{14}[/m]

[m]х=1 \frac{1}{4}[/m]