November 2018 2 11 Report
Rozwiąrz układy równań metodą podstawiania
a) {y-2x=6
y=3+x
b) {2x-y=5
3x=y-6
c) {2x-y-1=0
x+2y-8=0
d) { 4x-3y=7
3x+2y=1
e) { 4x+6y+1=5y-3+2x
2x+9y=4y-12
od Hakunamatata15
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