September 2018 1 13 Report

zad7 i 10 117 i 118

zad7

d) 2x + y = 9

5x - 4y = 3

e) 3x - 2y +5

2x -y +4

zad10

a) y+ 2- (3-x) = 0

x - 2 = 5 - (2 - y)

b) 3(x -y)+ 4x + 8

3(x - 5y) = 5 -9y

c) 3(2x - 1) +4(y-2) =9

2(5x -1) +3y +5(3x +y) + 2


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