Rozwiąż równania:

X+ 6 = 10, X – 4 = 15, 4y = 24, X/4 = 3



Odpowiedź :

x + 6 = 10

x = 10 - 6

x = 4

x - 4 = 15

x = 15 + 4

x = 19

4y = 24

y = 24 : 4

y = 6

x/4 = 3

x = 3 * 4

x = 12