August 2018 1 13 Report
Rozwiąż podane układy równań metodą podstawiania.

a)
x+2y=-2
2x-y=1

b)
x+4y=-2
3x-8y=10

c)
x-2y=3
-2x+y=0

d)
2x+y=9
5x-4y=3

e)
3x-2y=5
2x-y=4

f)
2x+9y=-9
-3x+3y=8

g)
2x+3y=4
8x-5y=-1

h)
x-y=0
x+y+z=4
x+2y+3z=9

Z góry dziekuje! -_-

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