February 2019 0 51 Report
Rozwiąż układy równań:
a)  \left \{ {{y=4x+17} \atop {y= \frac{1}{2}x+3}} \right.
b)  \left \{ {{2x-3y=-7} \atop {5x+8y= -2}} \right.
c)  \left \{ {{3a+2b=9} \atop {2a+b=7}} \right.
d)  \left \{ {{4x-3y=1} \atop {3=6y-8x}} \right.
PLZ na dzisiaj !!!
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