September 2018 1 17 Report

Rozwiąż układy równań metodą podstawiania.

a)

\left \{ {{3x+2y=13} \atop {2x+y=11}} \right

b)

\left \{ {{5x+3y=0} \atop {-x-2y=7}} \right

c)

\left \{ {{3u+2v=2} \atop {5y+4v=6}} \right

d)

\left \{ {{3s+5t=-6} \atop {1,5s-2t=-3}} \right

e)

\left \{ {{5=3x-y} \atop {5x-2y=7}} \right

f)

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


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