September 2018 1 20 Report

zadanie 1 .

Rozwiąż układy równań:

a) {3x-2y=5

{-2x+6y=9

b){3-3x=3y+2

{y+5=4x-3


c){-7=5x-3y

{3y-5x=0


d){6x=10-4y

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


e){-2(5x-2y)+4(2x+y)=1

{3(2x-y)-(y+7x)=5,5


f){2x-y/4+3x+5/2=3

{x-7/5-2y+x/10=1


g){(x+3) do kwadratu-(y-1) do kwadratu=(x-y)(x+y)

{3x-7y=0


h){(x-5) do kwadratu-(x+2) do kwadratu=7y

{(y+4) do kwadratu-(y-2)(y+2)=8x




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