January 2019 1 29 Report
Rozwiąż układy równań:

a) \left \{ {{2x- \frac{x-5y}{2} }-1=3y- \frac{1}{2} \atop {1,75y- \frac{1}{4}x= \sqrt{ \frac{1}{16}+ \frac{3y}{2} } }} \right.

b) \left \{ {{(x-3)^2-(x-5)(5+x)=2y+48} \atop { \frac{x+y}{2}- \frac{x-y}{4}= \frac{3}{4} }} \right.

c) \left \{ {{7+ \frac{x-3y}{4}=2x- \frac{y+5}{3} } \atop { \frac{5*(x-y)-4*(1-x)}{3} }=y} \right.

d) \left \{ {{(x-2)^2-2(x-2y)=1-(3-x)(3+x)} \atop {2x+y=4}} \right.
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