September 2018 3 22 Report
Wyznacz x z równań:
a) 2x + 4y = 10
B) x + 7y = 12
c) 4x + 8y = 12

Sprawdź czy para liczb x = 3, y = 2 jest rozwiązaniem równań:
a) 2x + 3y = 12
B) x - y = 5
c) 2x + y = 4
d) 4x - 2y = 6

Z góry dzięki, daje 10 pkt :)
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