Napisz obliczenia. a) -3x + 5 = 20
b) -2x + 6 = 4
c) 12x - 16 = 20
d) 11 - x = 19
e) 4 + 3x = 31
f) 1/2x - 6 = 2
Potrzebuję na piątek :/
b) -2x + 6 = 4
c) 12x - 16 = 20
d) 11 - x = 19
e) 4 + 3x = 31
f) 1/2x - 6 = 2
Potrzebuję na piątek :/
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