September 2018 2 10 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

proszę na dzisiaj!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!


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