January 2019 1 12 Report
1.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

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