August 2018 1 12 Report
1.Rozwiąż układ równań metodą podstawiania:
a){x-2y=3
{4x-3y=2
b){½x-⅔y=4
{1½x+y=3
c){3x+2y=-7
{-2x+3y=9
d){2x-4y=20
{⅓x+1/9y=2/9
2.Rozwiąż układ dowolną metodą:
a){(3x+1)(y-2)=3(x+2)(4y-3)
{2x-1/2-3y=3/4
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