11x= 55, 17x=68, 1/2x=16, -3/4x=27, -13×=78 liczby spelniajsce rownanie​

Odpowiedź :

11x = 55 | :11

x = 55/11 = 5

17x = 68 | :17

x = 68/17 = 4

1/2x = 16 | *2

x = 32

-3/4x = 27 | *(-4/3)

x = 27 * (-4/3) = -36

-13x = 78 | :(-13)

x = 78/(-13) = -6

Pozdrawiam :)