Odpowiedź :
Odpowiedź:
x + 75 = 57
x = 57 - 75
x = -18
1 i 2/3 + y = 2 i 3/4
y = 2 i 3/4 - 1 i 2/3
y = 11/4 - 5/3
y = 13/12
t - 34 = -35
t = -35 + 34
t = -1
3 - x = -2
-x = -2 - 3
-x = -5
x = 5
5y = 13 /:5
y = 13/5 = 2 i 3/5
1/7 x = -2 /x7
x = -14
b/3 = 45 /x3
b = 135
Liczę na naj ;)