October 2018 1 44 Report

Rozwiąż układ równań metodą podstawiania.

a) 2x-3y=7

4x+1/2=1

b) 4x-6y=0

2/3x+1/2y=1/3

c) 3x+2y=-3

7x+2y= 1

d) 3x+0,25y=-1

5x+2y= 11


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