October 2018 1 12 Report

Rozwiąż układ równań metodą podstawiania

a) x - 3y = -7

5x - 2y = -22

b) 10x + y = 7

4x + 3y = -5

c) 10x - 11y = 10

x + 12y = 1

d) -3x - 4y = -7

6x - y = 32


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