October 2018 2 15 Report

Rozwiąż układy równań metodą podstawiania.

D) x -2y=8

2x+5y=6

E) 1/2x-3/4y=0

2/3x+1cała 1/4y=9

f) 3x+4y=1.75

6x+3y=1.25

Pilne!!!


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