October 2018 2 28 Report

1) x-1*x+3/2=30 -obliczyc wartosc x

2) rozwiaz uklad rownan:a) {x+y=7 b){2x-y=15 c){-x-2y=-1

{x-y=5 {3x+y=10 {-2x-y=0

c){-9y+4x=5

{-3x+7y=-2


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