September 2018 1 12 Report

Rozwiaz uklady rownan

a)

\left \{ {{3(x+y)-2(y+3)=y+3(x-2)} \atop {x-2y=5}} \right

b)

\left \{ {{3x-10y=5} \atop {10x-3y=47}} \right

c)

\left \{ {{5x-y-2=0} \atop {15(x-0,5)-2y=y}} \right

Plisss pomozcie to na jutro... daje najj


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