August 2018 3 73 Report
Rozwiąż układy równań.

b) { 2x-y=10
x+5y=-17

c) { 4y-x=6
17y=0

d) { a=b
2a+b=9

e) { u=4v
5u-v=10

f) { 3r=s
3r+s=24

Na teraz. Z góry dziękuję.
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