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-x + 4 = 0
-x = - 4
x = 4
-p + 1 =2
-p = 1
p = -1
-s + 3 = -3
-s = -6
s = 6
2. Rozwiąż równanie.
a) 1/2x + 1 = 5
1/2x = 4
x = 8
b) 1/3y - 2 = 4
1/3y = 6
y = 18
c) -2k + 6 = 18
-2k = 12
k = -6
d) -5x - 3 = 22
-5x = 25
x = -5
e) 9z - 8 = 5z
9z = 5z + 8
4z = 8
z = 2
f) s + 4 = -3s
s = -3s - 4
4s = -4
s = -1
podaj jeszcze raz przykłady a, e to też zrobię