Question

1,2 (х-5)= 2.5( х-7)​

Answer 1

Ответ:

1.2x - 6 = 2.5x - 17.5

1.2x-2.5x = -17.5+6

-1.3x = - 11.5

x= 14.95

Answer 2

Ответ:

$1.2 (х-5)= 2.5( х-7) \\ 1.2х - 6 = 2.5x - 17.5 \\ 1.2х - 2.5x = - 17.5 + 6 \\ - 1.3x = - 11.5 \\ x = \frac{115}{13}$