September 2018 1 14 Report

Rozwiąż układy równań metodą podstariania:

a) x-2=(-1)

2x=y

b)x+y=4

x+2y=6

c)2x+2y=4

8x-4y=(-2)

d)1/2(jedna druga)+3y=11

1/4(jedna czwarta)-2y=(-5)

e)3x+y=13

2x-y=7

f)2x-y=4

x-2y=(-1)

g)3x+2y=2

3x+y=1 i 1/2(jeden i jedna druga)

h)2x-y=8

4x+3y=1


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