September 2018 1 22 Report

a) 2y + x = 3

y - 1,5 = ( -o,5x )

b) 2x - jedna dróga y = 3

y - 4x = -6

c) x - y = 3

-5x + 10 y = -10

d) 6x + y = 3

3x + jedna dróga y = 5

e) x - 2y = -4

0,5x + y = 2


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