November 2022 1 11 Report
Rozwiąż układ równań metodą podstawiania:
1.
a) [tex]\left \{ {{3x+2y=-3} \atop {7x+2y=1}}[/tex]
b) [tex]\left \{ {{2x-3y=7} \atop {4x+1/2y=1}} \right.[/tex]
c) [tex]\left \{ {{4x-6y=0} \atop {2/3x+1/2y=1/3}} \right.[/tex]
2.
a) [tex]\left \{ {{2x+y=8} \atop {4x-y=10}} \right.[/tex]
[tex]\left \{ {{y=-2x+8} \atop {4x-(-2x+8)=10}} \right.[/tex]
b) [tex]\left \{ {{x-3y=-5} \atop {2x+5y=1}} \right.[/tex]
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