Odpowiedź :
1) 2x - x + 3= 6
2x - x = 6 - 3
x = 3
2) 3(12x - 7) - 37 - 11 = 27
36x - 21 - 37 - 11 = 27
36x = 27 + 21 + 37 + 23
36x = 108
x = 3
3) x + (7*3) = 24
x = 24 - 21
x - 3
1) 2x - x + 3= 6
2x - x = 6 - 3
x = 3
2) 3(12x - 7) - 37 - 11 = 27
36x - 21 - 37 - 11 = 27
36x = 27 + 21 + 37 + 23
36x = 108
x = 3
3) x + (7*3) = 24
x = 24 - 21
x - 3