April 2022 0 3 Report
Jeśli rozwiązaniem układu równań 2ax + 3y = b
- 3x + y = a +1
jest para liczb x = 5i y = 12, to:
A
a = -4, b = -4
B
a = 2, b = 3
C
a = -1, b = -4
D
a = -3, b = 5

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