August 2018 1 19 Report
Rozwiąż układy równań metodą przeciwnych współczynników.
a) {x+y/2 - x/3=4
x-y/2+y/3=-3

b) { (3x-1)/5+(2y-3)/4=3(y+1)/2
(x+y)/4-(3y-1)/2=(x-6y)/4

c) { (3x-2)/3-(2x+y)/6=x+⅙
x+y-(-x+y)/5=⅕-0,8x

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