November 2018 1 51 Report

zad 1 ) Rozwiąż metodą podstawiania ;

a) x+y=6

x-y=3

b) x+y=12

2x-y=3

c) 2x-y=5

3x=y-6

d) y-2x=6

y=3+x

e) 3y+5x=0

3x+2y=4

f) 7x-y+17=0

5x+6y=8

g) 2x-5y=6

3x-4y=2

h) y=3x-2

y=2x+3

i) x+y=5

2x=5-2y


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