September 2018 1 10 Report

Rozwiąż podane układy równań metodą podstawiania.
a)x+4y=-2\\3x-8y=10

b)x-2y=3\\-2x+y=0

c)2x+y=9\\5x-4y=3

d)3x-2y=5\\2x-y=4

e)2x+9y=-9\\-3x+3y=8

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

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


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