Х+1=4/7
2 1/7÷х=-5
10-х=10 3/7
2х-1=1/7решите

x = -3/7

x = -10 5/7

x = -3/7

x = 1

Пошаговое объяснение:

x + 1 = 4/7

x = 4/7 - 1

x = -3/7

2 1/7 : x = -5

x = 2 1/7 * (-5)

x = 15/7 * (-5)

x = -75/7

x = -10 5/7

10 - x = 10 3/7

-x = 10 3/7 - 10

-x = 3/7

x = -3/7

2x - 1 = 1

2x = 1 + 1

2x = 2

x = 2/2

x = 1