August 2018 2 7 Report
Równania.!! :( ;(
help. szybko.!

zad.1
a)
x-5y=-2
2x+y=-4

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

c)
2x+y=3
x-y=9


zad.2
a)
2x+y=5
4x-y=10

b)
x+y=0
2x+4y=1

c)
x+2y= - 1/2
3x+4y=-1

plz jak anjszybciej mi to rozwiazcie..! i mozecie przy okazji wytlumaczyc mi ...
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