October 2018 1 12 Report

Podane układy rozwiąż metodą podstawiania a) {2x-y=0 {x+2y=5

b)

{3x-y=1

{2x+5y=12

c)

{0,6x-y=1,2

{2x+0,3y=4

d)

{3(x+1)-y=2(2x+3)

{y= -(x-6)

e)

{3 1/2 x - 2 2/5 y =0,1

{1/2 y +6=0,4x

f)

{3(x+1)-y=2(2x+3)

{2(y-1)=6x


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