December 2018 1 8 Report
1.Rozwiąż metodą podstawiania poniższe układy równań:
e) y =2x - 1
3 ( x + 2 ) = 5 ( y - 2 )
f) x + 3 / 2 - y + 2 / 3 = -1
x + 4y = 1
g) 2 ( x + 3) - 3 ( y - 2 ) = -4
3 ( x + y + 2) = 2 ( 2x + y + 6 )
h) ( x - 2)2 + 2y = ( x - 1 )2 + y - 1
2x = 3y


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