October 2018 1 26 Report

rozwiąż metodą podstawiania i sprawdz otrzymane rozwiązanie. ( obliczenia )

a) 2x+y=8

x=3

b) x-y=6

y=-1

c) 3x-2y=6

x=4

d) 3x+y=10

y=2x

e) -x-3y=5

y=-2x

f) 4x-y=6

y=x

g) x+y=7

x-y=1

h) 2x - y =4

x+y=11

i) x-2y=-3

2x+3y=8


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