Odpowiedź:
a)
6x + 9 = 17
6x = 8
b)
6x = 7
c)
132 / y = 6
132 = 6y
y = 22
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Odpowiedź:
a)
6x + 9 = 17
6x = 8
b)
6x = 7
c)
132 / y = 6
132 = 6y
y = 22