September 2018 1 18 Report

ROZWIAZ UKŁAD RÓWNAN

a)2x+y=5 b) x+2y=7 c)2x-y=4 d)-3x+y=2

6x+3y=1 2x-3y=7 x+2y=-3 2x-8x=6

e)3(x-1)+2(2-y)=-5-y f)2(x-1)+3(y-2)=5 g)x-2-y-1=-⅓

x+y=2 3(x+y)-2(x+2)=7 ---- -----

3 5

h)y+2x-14=x-1 x-y=0

4 8 2

3x+y=2+x

prosze o pomoc bardzo


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